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HomeLớp 11Toán lớp 11 - Sách kết nối tri thứcBài 26. Khoảng cáchBài tập trung bình
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Kho\u1ea3ng c&aacute;ch t\u1eeb A \u0111\u1ebfn m\u1eb7t ph\u1eb3ng (SBC) b\u1eb1ng<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{2a\\sqrt{5}}{5}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{a\\sqrt{5}}{3}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{2a\\sqrt{2}}{3}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{a\\sqrt{5}}{5}$<\/span>"],"correct":"1","level":"2","hint":"","answer":"<p><span class=\"svgedit\"><svg height=\"240\" width=\"260\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"none\" height=\"242\" id=\"canvas_background\" width=\"262\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_5\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"229\" id=\"svg_1\" width=\"244\" x=\"3\" 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\" y=\"1.5\"><\/image> <rect fill=\"#fff\" height=\"10\" id=\"svg_2\" stroke=\"#0000ff\" stroke-width=\"1.5\" transform=\"rotate(69 56.99999999999999,126.5) \" width=\"10\" x=\"52\" y=\"121.5\"><\/rect> <line fill=\"none\" id=\"svg_3\" stroke=\"#0000ff\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"2.5\" x1=\"24\" x2=\"65\" y1=\"145.5\" y2=\"129.5\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" font-weight=\"bold\" id=\"svg_4\" stroke=\"#0000ff\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"68\" xml:space=\"preserve\" y=\"131.5\">H<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"4\" xml:space=\"preserve\" y=\"95.25\">2a<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"16\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"42\" xml:space=\"preserve\" y=\"183.25\">a<\/text> <\/g> <\/svg><\/span><\/p><p>Ta c&oacute; BC&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;AB, BC&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;SA&nbsp;&rArr; BC&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;(SAB).<\/p><p>K\u1ebb AH&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;SB. Khi \u0111&oacute; AH&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;BC&nbsp;&rArr; AH&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;(SBC).<\/p><p>&rArr; d(A, (SBC)) = AH.<\/p><p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$\\dfrac{1}{AH^2}=\\dfrac{1}{SA^2}+\\dfrac{1}{AB^2}=\\dfrac{1}{4a^2}+\\dfrac{1}{a^2}=\\dfrac{5}{4a^2}$<\/span><\/p><p>&rArr; AH =&nbsp;<span class=\"math-tex\">$\\dfrac{2a\\sqrt{5}}{5}$<\/span>&nbsp;.<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{2a\\sqrt{5}}{5}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-05-09 01:57:15","option_type":"math","len":0},{"id":"5659","post_id":"7133","mon_id":"1158924","chapter_id":"1159174","question":"<p>Cho h&igrave;nh ch&oacute;p S.ABCD c&oacute; \u0111&aacute;y l&agrave; h&igrave;nh vu&ocirc;ng c\u1ea1nh&nbsp;<span class=\"math-tex\">$a\\sqrt{3}$<\/span>, SA vu&ocirc;ng g&oacute;c v\u1edbi m\u1eb7t ph\u1eb3ng \u0111&aacute;y v&agrave; SA = a. Kho\u1ea3ng c&aacute;ch t\u1eeb A \u0111\u1ebfn m\u1eb7t ph\u1eb3ng (SBC) b\u1eb1ng<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{a\\sqrt{5}}{3}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\dfrac{a\\sqrt{3}}{2}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{a\\sqrt{6}}{6}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{a\\sqrt{3}}{3}$<\/span>"],"correct":"2","level":"2","hint":"","answer":"<p><span class=\"svgedit\"><svg height=\"280\" width=\"330\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"282\" id=\"canvas_background\" width=\"332\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><g id=\"svg_5\"> <image height=\"271\" id=\"svg_1\" width=\"316\" x=\"6\" 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\" y=\"7.5\"><\/image> <rect fill=\"#fff\" height=\"20\" id=\"svg_2\" stroke=\"#ffffff\" stroke-width=\"1.5\" width=\"13\" x=\"82\" y=\"95.5\"><\/rect> <rect fill=\"#fff\" height=\"15\" id=\"svg_3\" stroke=\"#ffffff\" stroke-width=\"1.5\" width=\"14\" x=\"141\" y=\"176.5\"><\/rect> <rect fill=\"#fff\" height=\"18\" id=\"svg_4\" stroke=\"#ffffff\" stroke-width=\"1.5\" width=\"13\" x=\"67\" y=\"208.5\"><\/rect> <\/g> <line fill=\"none\" id=\"svg_6\" stroke=\"#000000\" stroke-dasharray=\"5,5\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"2.5\" x1=\"83\" x2=\"46\" y1=\"173.5\" y2=\"164.5\"><\/line> <rect fill=\"none\" fill-opacity=\"null\" height=\"10\" id=\"svg_7\" stroke=\"#000000\" stroke-width=\"2.5\" transform=\"rotate(14 53.000000000000156,172.49999999999997) \" width=\"10\" x=\"48\" y=\"167.5\"><\/rect> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"&rsquo;Times New Roman&rsquo;, Times, serif\" font-size=\"20\" id=\"svg_8\" stroke=\"#000000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"29\" xml:space=\"preserve\" y=\"175.5\">H<\/text> <\/g> <\/svg><\/span><\/p><p>Ta c&oacute; BC&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;AB, BC&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;SA&nbsp;&rArr; BC&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;(SAB)<\/p><p>&rArr; (SAB)&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;(SBC) m&agrave; (SAB)&nbsp;&cap; (SBC) = SB.<\/p><p>Trong m\u1eb7t ph\u1eb3ng (SAB), k\u1ebb AH&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;SB&nbsp;&rArr; AH = d(A, (SBC)).<\/p><p>Ta c&oacute;&nbsp;<span class=\"math-tex\">$\\dfrac{1}{AH^2}=\\dfrac{1}{SA^2}+\\dfrac{1}{AB^2}=\\dfrac{1}{a^2}+\\dfrac{1}{3a^2}=\\dfrac{4}{3a^2}$<\/span><\/p><p>Suy ra d(A, (SBC)) = AH =&nbsp;<span class=\"math-tex\">$\\dfrac{a\\sqrt{3}}{2}$<\/span>.<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{a\\sqrt{3}}{2}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-05-09 02:08:59","option_type":"math","len":0},{"id":"5661","post_id":"7133","mon_id":"1158924","chapter_id":"1159174","question":"<p>Cho h&igrave;nh ch&oacute;p S.ABC c&oacute; \u0111&aacute;y l&agrave; tam gi&aacute;c vu&ocirc;ng \u0111\u1ec9nh B, AB = a, SA vu&ocirc;ng g&oacute;c v\u1edbi m\u1eb7t ph\u1eb3ng \u0111&aacute;y v&agrave; SA = a. Kho\u1ea3ng c&aacute;ch t\u1eeb A \u0111\u1ebfn m\u1eb7t ph\u1eb3ng (SBC) b\u1eb1ng<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\dfrac{a}{2}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$a$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\dfrac{a\\sqrt{6}}{3}$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\dfrac{a\\sqrt{2}}{2}$<\/span>"],"correct":"4","level":"2","hint":"","answer":"<p><span class=\"svgedit\"><svg height=\"240\" width=\"260\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g> &lt;title&gt;&lt;\/title&gt; <rect fill=\"#fff\" height=\"242\" id=\"canvas_background\" width=\"262\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> &lt;title&gt;&lt;\/title&gt; <image height=\"229\" id=\"svg_1\" width=\"244\" x=\"3\" 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ffHFdLn\/\/j4614xl9hSpMO8sJeWkaymAna9DEb8XNOzadUTKl+8ruXO3dG7kaSFfRcX5GmvMfPBPPpms44UJnDHfnD1djB5mUqkRegSEoBFwixbztBSU4FAwNGx4A\/rH6eQaOnSduuG33x6p44VZCEANPL8ny12HFgEhaLxHmhroUKIcdODANTYg4A+wTI\/e8e++m6VFKUwiJd3FSOTo6C06KMKEHRoEhKCBLiS2Q2Klq1VjiKAFgP4IDzgmkTKw8I03ojQSTkEOgUSGLBBQO3DglAk7yAkYQQPBMXLSNGxQNWX8GTwZBLtnz3EZPHitVKo0RPLnb6u\/M7rWGItkKa7gJqAEzZnwn\/\/sp1b6q69mWIthOhA0ozacY0pExBJ54okhWhtO0OzddyfKmDEb1ZpbIDz4CChBnzhxVj77bKpGuytU6CcJCaFTOXYxsJqHwhyKUj7\/fJo+DEuWjFQ3nIUA06dvs0mkQUZACZobLyoqNSdN\/pVhe3YzeobcNcLu1m25xiEYVojFpl2TACORcgYW2u8y8AkoQQOuJG2FuXK10NZCy7dmHs7XO3Yckm++maHpLTwdHo4MLFy5crfjAZ0zUQc4ASdoBNy27QI9R1P6SFeSkTk4M9OlRaHO1KmJ+kBMi4aT5vr++9naDGIPycAl4AQNVEKRa82Xr4306bPSrEoWQdhpWzR79VqpO8XoveYBScqLohQmkdrAwsAjIAVNB9Lbb4\/X8UTPPjtcF8YZF8exY2d1rlmjRjN1kAKu+P3399bl9gyYoNOLxhCLiAcGASlo4GbLn7+dWmlqmu2GuzRwxWl8oXuLRXvkr2lbZW83Y5UZCWVFKf5PwAqaGWOPPDJAp5nQJ2w56UuD7izSgpyvWQiAG856XM7XlSsPkS5dlmq8wsYf+TcBK2jOd998M1ODYyxcD6VpJr6EeARz0Bcu3CmdOi2W558foSkuxguzEGDQoLUqesM\/CVhBY1EmT05w9Ul30OIJw3sgbEpIKbd9772Jeq4mf836nvbtF8r8+UkqfOu79i8CVtDABEzSLVhphghS8mh4FwTLXi4i34j5ppsidNMHBSpjx25SN9zy1\/5DQAuam6h375UqaIbTMwLX8D4EwzjiEBxjBBLWmoEKWGz+1mw2odLMyHkCWtBAwwZbKlls1779IrMUPoT01fbthzXDQLUZteFFi3bWRQhffTVdsw021yxnCXhB42bjbpOTrlixv+zeHZpDBLMTrDVDCXv0WKGFKPfe21NKl+4utWunFqVQRkrhipH9BLygYcKEzdqskTdvK4mNTTArnU1Q4LNy5R7t3CKFWLhwhHpLzDmbPDlRU4tWbZa9BIWgd+06qsEx\/s2PPoq1nHQ2QtCM3zcDJ6gHKFw4dYtm8eJddDIpk1IsEp59BIWgsRTkpFlsxxDB+Pj9rs8Y2QGCpYSUeMawYevk1Vd\/0oAZM+CYlIIF37z5gBWlZANBIWhuKMoWGU3EDihuKiNnYGACgxMQ8TPPDNMmGs7XDRpM0Ukp27cfsm4uHxIUggYG4D322CBNYb377gQ5c8bc7pxk797jOoyCkUdlyvRUi421johYrFVojECyugHvEzSChiFD1urKHIofdu487PqokZOwyYNqM7aI4kFdc00bHYHEzmvqBnDD7YztPYJK0MnJx7SvF1G3bDnPot1+AIJlbjj91RQBPfroQD1bs76H+4SSXabQGN4hqATNzUOBA+krih6sicB\/4NzM32PChHhp1GiW1gwgaspJ6b2mLj9UFxF6k6ASNBAcK1r0R3XtuHnMSvsX3B\/UhvfqtULvkxIlIrVs95VXxriKUvY4Fv2UueEXSdAJmqc8ZzT6pOvXn2yFDX5MfPx+nZRStmxvXXFE\/\/Wbb46XadO26rJ7rLrpOmsEnaCZRU0klX+\/bNleNrvbj0GwpLmoAf\/006ly553dVdgsBEDorM21SHjWCDpB80RniCBNA4zRYTOj4b+kFaWsXfuLru95++0JOqyQ3DVbNDt1WuII+xfLXWeSoBM00MrHjUHDBqN0cN8M\/4YHMZ1a8+Yl6ergtKKUhx7qq+OGf\/ppo2zevN\/Kej0QlIKG1CGCbeW669rJ3Lk77CwWQNCpxTm6Tp1Jaq2ZSlOuXB9p1Wq+jh5msIVZbPcEraDJfTKWluDYhx\/G6tnaCAxwwxEs45l5MHM\/MYmUoQqkIzt3XqobQCwSfiFBK2hy0tQTk5Om2CQuLsX1GSNQIOWIqLHKffqskmrVRuv4I4Jn3GP9+6\/SnV02Xvh\/BK2geXjPmLFNbwD2I\/frt9q6fQIUhE012cSJW+STT6ZI+fL9dBLpv\/89UL79dqa650TLufdCnaAVNJCTfvrpYep2k9+0ZeeBDfcW3Vo9eiyXF15IHS9M3T5FKcOHr5ONG1P0bxzKxURBLWj+sAyI53uhzHDTJuuTDnTwvLjHduw4rAMLKUqhdv\/GG9tLzZrjtFKQ2WehSlALGjg7k\/646qrWmtM0ggPaY3\/++ahOHG3ceJau7aHSrHz5vtp7PWPG1pCcaxb0gqb08z\/\/idE+6SefHKpnLSN4IC\/NmCM2eqQtBKA+nLnhVAwuWrRLjhw5EzIR8aAXNMTEJOh2DfpxGV5nDRvBByWiTBtt3Xq+PPHEEClevKvmsOvWnaT92BSlsBAg2IUdEoJOm2bCzDGstVUbBS\/UG1Aq+vnn07WLK0+elmqxGVjIx1nIF8wP9JAQNEUKrEVlGD81whs27HN9xgg2MMAMjaT3GsvM3HDq+gsV6qiTYdu1WygJCQeD1lKHhKD541EjTE6aaiOKFCwnHdzwN6dElE4uNqrQ6IHFZovmBx9M0jM3y+yDrSglJAQNzLbij5orVwvd8GArW0IDDDH1CCxjYGY7paOcrylK4bxN8RHbVoKlTTNkBA29e6+S3Llbyu23d7VS0BCEh\/qIEeu1KIXacJbZP\/bYYMdar9EpKgTNuH8DmZASNEMES5XqroES3DAjtODepLWWoRf9+q3SyTZ0cpG\/rlp1lIwdu1HTmoF8vA4pQRMcY4ggfdIVKvTXwgQj9MC95m9PVVmLFnPliScGqxuOO06t+MSJmwNW2CElaKCCiPrffPnaaNO85aRDFx7wuNpMSmEhAIv2OI5hrX\/8cYkuBAi04RghJ+iUlBPqaoWHN5d33pkgx47Z2tNQh4wHhSdNm85xPLd+WoTE5FhSXhQlETQjFRYIqa6QEzSFB23bLtCCfho22HNsGKSvKBNeuvRn3aKZVv9fsmQ3LUphvHAgTEkJOUHzlMWVSnW7f9BWPHO7jTTw2OLj9+tGj3r1YrR8lPw1M85++GGBbgDx59HQISdooODgpZdGa580q0+ZOmkYf4Q6hcWLd2llGY0eTEmh8YPSYYpSNm1K8Uthh6SgYeDANfK3v7XWrYg8dQ3DHQxMYMgkk0fZPY5nRzSc8VazZ+\/Q87U\/bToNWUGzbuWuu7prcIw\/jmFkBPnrWbO2S\/Xqo+WGG9ppgdJ99\/WWzp2XSFKS\/2w6DVlBE9lkOwM5ac5JO3faYjsjfbivccPj4ui9XqNlxGzRJH\/N\/2dXF7XhOR0JD1lBAzlp\/ihMBmVfMd+7YWQEAVQGFsbGJsg338yQRx4ZoLPNcMOZlMLHqR3PqUBrSAuaP0yVKsPP56RtiKCRWUhzMUK4T5+V8vrrY7Uohdw1ATT2YLOOiaKU7Ba2DwT9u9SoMcYRdBP5\/vtZfp2Mx+2mIoicNPlGy0kbWYX7nTM09xFFKVdd1UabPt54Y5xMmZKowzUoNUUGaOHXX3\/V6\/ffM9e2yevOnTsnZ8+e1Yv3njlzRk6ePCmnTp1y\/v0\/58a9LuhTp047Z4pIR9B15LPPhsvp0\/5r9fglM\/qVSDezu9lPbBhZhYITar+XLPlZWracp2t7GKiAkahXL1Zmztyuk1IOHjwoa9ascaz3Ksct35MpUf\/yyy8yd+5cmTRpksTExDj\/xhIZOJB55N86\/1ZL2bx5s+uVqXhN0Dx9tm7dKt3at5fqdzwulcNKyDsPVZGB3btLSor\/tiryi65fP1aDY+SmbTyRcbGQl6aEdOTIDZrmKlOml7rizz47VJo3GyiR33wr3V5+WbpWrSoRDRvKvDlz1OK649ChQzJx4kT54osvJCIiQlasWCEJCQmSnJwsK1eulE8++USee+45x+3f5npHKl4TNJZ4QK9e8vWdd0pknitlZFiYdL3qKvm2XDkZM2ykrF+\/V6czZnQxGigzxfC7dh11+35PF\/uu3EFwjPpdAmTkFt2919NFWsMT\/Gzu3uvp4uf1BL2+7t7r6SKPmhF4McQa3L3X07V373HXV3EP50u6nty9N6OL+4QVOZ7Yu\/eE2\/dndNEnn5nhFxl930uXJmudA243JaR58nwm5W95TDrcVESG58olQy+7TNoWLiyN3333AkHC0aNHZcSIEY6BeUkee+wxGTJkiBw+\/L\/UGA8BrHTt2rXV6v+RLAkaK5yem4AVrlG5ssx1hPybczk+t\/7v8PBwefahJxz3O9a5pmZ4UTPL2FVPsPPZ3fs9XcuWJbu+wp\/BSj\/++ODzlWPu3uvpio\/3vFien83dez1dmdlxTY7U3Xs9XczdyghEFx29xXnttAve6+niDJlRDAVXlYED7t6b0fXll9N1tFAGX1phwqu792d0ffNN6qJ5T2CF3b3\/jxeeH3PM8uR52fFYc8k+Rw\/\/dV17navKFVfIqFGjXF8xFcS6YMECKVu2rOTLl0+aNGmiZ+e\/snv3bvnpp5\/0fP1HsiRovvDx4+6fujt27JBX7r9fDjnfKGJOu5Y5V\/E8heXaa5vrdv6MrgIFOsiAAWtcXzF9mL\/s7v2erqFD17u+wp\/hpmPDBukrghru3uvp4pzkif79V7t9r6frvfeiXV8hfQjKuHuvp4uHaEYQ9GnceLbz2rYXvDfjq620aTNfHwjpgYtKvXRWvzbeFJFkTxFkzrPu3p\/RRSWYp4ccsNHU3fv\/eDG\/jsGU4eGPyxeODtIMHdc553rHMXadO3d2fcVU0NGjjz4qVzhir1ChggrX3UMRIWOd\/\/o556tnDoQ8bNgwxz2d4frInzlw4ID85\/XXZZjzje52rhPOtd25OjhPpluu+6fjHozVG+P77+eke1GxxaZBT9DH7O79ni7GuKYHXTacd0i33XtvT31Su\/sa6V2JiYdcXyl9li9PdvteT9dPP3m+wbBY7t7r6aI9MCMQDcvgSEG6e396F6+fPXt7hhaa6G9U1KYsf23uE\/5eGX1t4CHr7v0ZXeygzsxU2PHj492+n6tu3RgdG01pMfdTWFgtqRh2pSx39HDAuY441xLnqnLDDc73ONP1FVOt84ABAyR\/\/vyOVc+j1jm9MzY\/+18j3JApQXM+jo2Nlaefftp5MvZ2ffTPEEofOXy4\/OD4\/EOLFJHYggWlt3NmqF7wPrnxunflrbfGqxCJKjNG1d1FszlbDjzBmc7d+z1dGa1GoWGjZs3U\/DnTTObP3+n2a6R3ZaZQn7OZu\/d6uvh5PUF8wN17PV2cvTMCzfC7cfdeT5eneAgPC87Z7t6b0cV9kpmaAVJG7t6f0UW1V2biIZzP\/\/g+8s6xsYkSGblMvY6KFfs7wmyn440eeaSr1H6xpnS\/+275yTk7TyxUSLredZd8W7euRrHTIBX14YcfOhY9XG5wxB4d7dkz+yseBY2bHRcXJzVq1JDcuXM7rmkX12cuBCseNW6cfFOnjjSvVUs+e\/8Dee21H5wfqr0OZWP1J8Gx1A0Grjf5CbiWPXuu0Gg3aSzG\/hpGRuBh8GBJSjqi3gCdWU89NUynniDkcuX6SZ060TJixAbHo1gnHdu0kUZvvilNa9eW9q1ayaZNf\/a8CHy98MILjlEJk1tvvVVTXFnFo6B37dolDRo0cM4E1+o\/lJGgcQPw7U84wj7i+PennCdOUtJBrZlmGBvnCiqziAIiIH9j+\/bDzoOnoxaa0PtqGBlBpDsqKl7efnuCtldSy1CgQHsdEcz9QxAWz4ngH+7xGcfTPeqI9uihQ\/r\/\/+oyI+gqVaqozkqXLn1BjjkzZChocl6RkZHSr18\/Key4Cp4EnQbCTouG88Ns2XLAOfwv1X5SAho8xUaNisuUm5qdkIP+\/PNpaqWJTgbaPCnD93D8IFvB1FhKPu+\/v49aZLZfvv\/+RC0FnT8\/Sdfd0mf\/18AdukgvU0TlV5rLXaxYMcfwLXV95n\/wENi5c2e6wel0BX3kyBFNbJMDI6nNP5BZQf8VBM4PSCVW5cpDpWDBjrqInagveVBPwY3shD8GVjp\/\/rYasPEUSTWCn9TRvwc1fde27UKdNfbQQ301eMrEUAb4c1wj7kJjxsUO7Ueso0ePllKlSsl1110nrRy3PCkpSS03esTArl27VvXIedsdbgV97NgxjWa3b99e\/XhMf9GiRS9a0GkQlBozZqOudcVSY7H791+jrYv+IpyTJ8\/quJlcuZrrHy4UdwwbqZ4lHhreJflsXOgqVUY4YuuuLZP\/+tcADX7RpcdrvDXkYO\/evdK4cWMpU6aMPPvsszJo0CCZPXu2LF68WCPiGFk0mZ6Vv0DQvBBTT0S7b9++MmfOHBk3blyWXG5PEBF87rkRurO5cOGO0rHjYn0K+ouhJlJJ\/rBQoQ4axDNCB+5BjAueIxaZ8b533BGpcRW8NqLXrNAhvUpBki8gqxQVFeW48O+rDt9++2357rvvNKVFTCs9McMFgsakd+\/e3XnyDJepU6dqYbi3Bc0vgoABrgpF7Lfd1lU+\/niKprT8YYkc+WIK6xE1DxsmhRrBD1NsCNimzRG7664emvEoW7a3I65oLefk3khOPqoGyFdeJYKlaITeCCLhiYmJem7et2+fpocz4rygOcfyZopHZs2apU+CtAufvUiRIl4TNBCAQtRffz1DSpTopk3iDGBja0Fm8oC+hDrhWrXGaZ800ygykwc2AhOMC+djCkUoWKlRY6wGuO65p6fGeyjhZG0OgbBLOR9nF+cF\/fPPPzuuRGt1szmAp8ETgXavNAvNQd3TUyIrbN58QKuyqNIiV\/3SS6N0UyAFBzl1rmZIAyWoWGjLSQcfnI+JVtNIMWFCvLRsOV+ef36kjqLiPnzyySG6EofzcXz8fsf4+O\/Y3r9yXtD47CVLlpSFCxee99Gx2pj5\/v37O65xIbnmmmsc1\/hj\/Zg3I9MEHzp0WKRRQ8rleDqOGrVBK6tyStQ8jYsX76IpLM5M\/hK0My4O7leOc6RKqTfgfIxHePfdPbXmmqPfv\/89SOu\/6Wv21fnY15wXdHx8vJ6bt2zZcoGgOUeTvho8eLCWgHpb0BSZ8MSkZviFF0bqAPx77ukhERGLcywXzB+\/RYt5GrgjGs\/3ZwQuGAe2X5A\/5h4jd0wjBj3LNPvQ0UYAlEEFiD5QH+DnBU2imikKpKzSxMr\/kuxGwHyOi7A6H\/MFlNFNnZqov2DmM5Ut20sL9wmW5cQAP874fB88wXG\/zEoHFgiT2my6p77\/frYOsKAQBE+Q\/WZffTVDhUwgbM+e4+qKBzrnBe0vkM+jc+iDD6J1BQlPUv4YPF1ZGJadsBalWrVRkitXC60KSm9AguE\/pJ2P6ayj5qFZs7lqkbHEuNfPPjtcW0Z5QPvr9otLwe8EnQbJetJaBMrIBzPSZc2aPfoH8KK3nyFYZKrbWFp2882dnIcKvamuTxp+A3+nM2d+0wcuQazx4zc7985ktcbUVhPYpJiJI9TChbvUEwxW\/FbQ5H7J95EHxlL\/\/e9tpVKlIXrOzs5cNWty7rijq0a8Cdz5Q57c+DOkOdeu3av3ChaYTqfrr28npUv30PHMI0fGaTaF1lyEH8xHJ78VNCAeZh9jJanQ4WlLbpAF3dn1lOXfefPN8TqeiJuFPlgj56GOgXtj7NhNWstAFx\/ZES76BBo3nqUuN1WJpEARcijg14IGXFza1EjuU0uLC878rz59Vmkfqq9dYJ7m9LPidvPkZ3aXkTPgtTGQgbLLYcPWS6NGs7SEmEqu++7rpfGO776bpatgOR\/ndIFSTuD3gk6DCh2GzmElr7uunZbl0eGC2H3tBmOVy5TpqTlpbhgrBc0+eKCeOvWr\/g1YhIBY69efLA8+2Ef7ADiOIWryxwsWJMnBg6GdXgwYQQNC4qxUvfoYPdPyByWt5WmMzqVC+q5t2wWak6bTxtN4WsN7IGYquhiCmNalR6MEnhquda9eK2XHjkPqUpPaDPWgZUAJGhhfRAqLHCI54ltu6aLRcD7mS0u9YkWy1pszGTQzEyeNiwdvjPUy5I8bNpympZh0PPG3Ll+epXCpo41xvf1tP3NOE3CCBoRLnpEzFF1RCK1u3UkyZkyc5iB98ZSmE+eVV8ZocIxOHKsc8y5YV36npAaHDFnrPLCnqwUuXbq7Xhy1mMc9aBAN\/rv1tfZQvZCAFDTgBlOT+913s\/U8TS0uo1M5Y1GH7c3SVKA8tVu35To3irwm3Teh7t5dKvyNqCvAyuJhUezx6adTdeoqD2msMlkNCkFo2CEIamnDjAlYQaeBu9Wv32qtBGLKSIkSkTJgwGpNa3hbcMxrJgiTJ09LrQn2x0GHgQB\/F6wrf6ONG\/dpcJMpMTyUqcpLnTs3VB+glP0GQ0lmdhHwgubGoKB+5sxtWp7JzYCLRrBs587DXrXUlIKm5aS54WyIYNbh77Vr1xGJjt6s52NSkDwk2SvG+RgLjZdFRJs+dMp9ve1tBTMBL+g0mLDIpgZWlHCDMFaVOeBUennrrMXXmTRpixQuHKFRVv49wzPokaH3nH2pJ2BoAA9E\/kYUgpB2Ih5CbhnXm\/OxudYXR9AIGniSc9MQ9WbrHxdVRMuX7\/ZakQFDAyn2J3VCkMYirOlDRoLNmfQXDxy4VocG\/POf\/bThhrgH1V0Mt2BaCFNhzbW+dIJK0IA1oAacG4XKLlofa9Ycp0Inp+kN740zO4MYihbtrBNLjf9BtJqHHA8+MhE9eqzQCj9SjPnytdG\/CUJmTjv55WDrdsppgk7QQAEKkVNqwHHraOxgfjJTKrxhBVjqjauYO3dL\/Te85dIHA8nJx\/RYwtDHihUHyE03ddKtolR2NWgwRa0xHVHEHxC+\/e68S1AKGrhRcOP69l2lgRfOvE88MUQriygjvBRLTXCM8TVUjpGT9nWlmr+DODnWEK0mhsHv+\/bbI7X\/mCGL9CTTKEE8g\/Oxlc76jqAVNCBabqDBg9fpjVWwYAfnDNdfbzxy2BdrHXAradjA8nNOnzs3ySuufCDB+ZgHJj87lXMImSg1hT6kEKtVG62DKbDI\/K457hi+J6gFnQYCnD17h57lWPFJwQLD9GnsuFhrwWgb3G5qyhn\/GgpRWX5GgovUsrOfmd\/hCy+M0Pp2WluZr86DMyJiidbck3kwspeQEDRQvL9x43754INJ2q1FvpqcJ9VHFwMPAlIt4eHNnPNhX53lHeyQF548OUHq14\/VnzltoygWmQ4olsdv3566X5nfj+WPs5+QETRQmUTDO0KkfJNif2rAFy\/++aLSWgwRJGqL603ZYjBCDTsZAqq2GN7IVk6OGaSdsMatWy\/Qskyq6Mg1+\/sg+mAnpAQNuN9UIXG+w7KQemK\/L9071IBnBc6RNGxQrkhLJzd\/MEAqCUs7Y8Y26dp1qXo15I8ZQv\/AA33ktdfG6nwutpwwNcRST\/5DyAk6jX37TupGQSKx5Ee5YYcMWaduZVZqtMlJk+vGjV+8OHAbNjgfM3OLtsW5c3dI585LdAJIyZKRmiHAIvPQYm4X1VzBPGgvkAlZQSM83Gwsc7lyfeTKK1tqhw8FD1m5WZlOSnCMs3QgB8dSUk7I9Olb9SzM3GpGLtH7TR6\/bt0YiY1N1BwzZ2OyA3Y89k9CVtDAjUnElt1V5JXZpEC3FuWiFI9kBiqiPvwwRhs2yL9mVDlG6obX46r7A2yTIKZAtPrNN6P0wcYRhNTT88+P0OXm7Ebmd0Gu2Uoz\/Z+QFnQa3KgLF+7UqDdWmrPiF19M09QMgbSMwD2nO4g+aVxTqtH+CEUoVEZFRcWrcNIuAmo5MYmS7iXyx8xn69hxkY65JX\/Mz0w1V+3aUXoUodorMfGg8\/Cx1FMgYYJ2gTDj4lK0PBErXaRIhKZnGGSAKDOCwgkCbJSC0oxPkIiCFnp5ETgBJLqL7ruvtzz66CA9j9KowAqW7LDWuMkcIxISDqhb3anTYq1wo8305ptZOdRbW085H\/M9WVto4GKC\/guIl4Xf9OfSUUVnFd1CnI3TOzeSb6X\/mnM0wo6L26cW+a23xmsRC8UnBM6IELNfqWDBjvoxREWDAg8Tb59J+XocKfi+CfTNnLldZ3GlbfjMm7e1no9ZZD5pUkKWI\/yGf2KC\/guktaggY+oJs54pnnjkkYEydOj6dCufEDSRYV6L680oJM6hadFhur16916la1hwv9k9jfB5PU0juOxYdG\/Cg4n0XNeuyzTNRDSf74fWReZzsQUEkeNdYL0tfxwcmKDdgGWjBZMNHTTfY1FxlSmuINKbBqJhoDu7rJm+gRXGSiNqzqPs46IZhHpnHhKcX1O\/9jEVNfOyEDXBtBYt5qrYL2WsEUE3Kt+o2GrTZoHUqjVOypXrqw8XvIN33pnouNtL9PzM+dhbPeKG\/2CCzgACQqxaqVp1lM67Qhxpc66IDmNZWbnCPCy2\/+Ne486GhzeXevViZO3aX9K16kS7mdDx1FPDtFeYc3vTpnP062alkQGXmiVtfE8Estq1W+S48mP0+6EajmaUt96aoEKmIs7bnoDhX5igPYDFpJACUVPiidv6+efT9HxMZDh\/\/rYqHERNugthIuhmzeZ4TPMgRtzwDz6I1rFGFLhQlcUZPKP34uIT6MLCYpGnTt2q3xNW+Npr22qRC5s+KNWk2wnvwAgNTNCZgNTVpk37Na2Fi4xgaErAshIVJwCGC8tQBcYfhYU1Uxfdk5AIXOGGU53FmfYf\/\/hRtyby8MCaplekQhR9w4YU9RYIrNF7zPdFyg03PiJike7YJhiG6NP7OkbwYYLOJFhMRupQDYZrTSEJkXBSPYmJh1Q0nI9pVKDCijU91DpnBrwAHgiM62HLJgUuRNc5m1P8AeSssca41QwMoAyTdBPfC+f1OnWidXoKy\/Sor7bzcWhigs4CCDYh4aAKCjERLCPwRA04QbS0YFr58n11sR3WOyvRY8ove\/VaoUEyLDVuPF8bl5+1MC1bzte0F6WmRKv\/9a+B6q4TySZfzvuN0MYEfREQhGJ5Wtq8MnK7pLnI5SJg8tjksDljZ\/X8ijtNffmdd3bTEUd8bcpSqebiAYLlJzjHWXvs2I3qrlvfsZGGCfoiwBLTmYR7zXmX8zTBsiZNZuu5FdeYnmEqxxh3lBVw3ckfv\/\/+RHXdsfQ0SvD1mYn2x2ouzvaXkuYygg8T9EWCVSQFRPDp00+nqOCIcBM4YyAAGzbok65UaYgOJcwIHhB8LWrHSS8R6GJZABF0ClCwxhSmzJ+\/U+uwOR+bVTbcYYK+RAiW0WhBDTe10czXok6blBE5aaLP06dvu0CA\/CfCJBjGWB8aJRi0QFCMr8M5msF7BMo4H\/NQoIrNMDLCBO0l2BBBkUlabrpChX5yzTUtnHPwl\/LtlyNk86Z42bePwfKntdRy69aDOhGkffuFGtHmzEzrIiN+EPLo0Rs1Wk2+2TAyiwnaS2BxSTH16LFc54zlytVMwsM\/lPCwSlK60H1S8\/kXpE+fPs75eIvExGzRNBPi55xNXpu8dYcOizU1RoUabrh51UZWMUF7EQJUu3cf1fzxww93kJtzlZZWYfll1BVXS9T110vvkiXlpcdec87FndQ1J3JNBJu9TwS6sPJpYjaMi8EE7QMIcH1cv4PUujyfbAkLk33Otce5loaHS6UrC8r99zfRDYxs9aAijPOxVXMZ3sAE7QMIgHXq2FGaX3GFnHWELK7rkHO9lyevNPm+tw7q9zQNxTCyignaByDoQQMHyof588vuyy6Ts45l5tqUK5fUL1pUli9b5nqlYXgXE7SP2LZtm7Ru0EAa33WXdClQQNoVLChNH3hAev\/wgxw+fNj1KsPwLiZoH3H69GlZvXKlTBk2TMa3bSsTOnSQOWPGyJb4ePntN5sOYvgGE7SPOXPmjOzZs0cO7N3LtD7XRw3DN5igDSOIMEEbRhBhgjaMIMIE7UWOHz8uW7dulZUrV+q1adMm2b17t8TFxcmGDRvkwIED8vvvVkBi+A4TtBdBvGPHjpWPPvpI6tevLz179pQlS5ZI165dpVGjRhIdHS0HDx50vdowvI8J2otgfefOnSt58+aVfPnySUREhEa5EfT1118vt912m4wbN86stOEzTNBeBKHSURUWFiY33nijTJ06VavGhg4dKldffbVceeWV0rRpUzl71gb4Gb7BBO1Fjh07JnXr1lVBP\/DAA5KYmKgWul27dmq1b7jhBomMjJRzlo82fIQJ2otQ7lmuXDkJDw+X119\/XZKSkmT58uXy6quvSrFixaRatWoaLLPxQYavMEF7kVmzZqmrjaBxrWNiYqRy5cpy9913S\/PmzTUC\/uuv1mFl+A4TtBdp1aqV5MmTRwNgU6ZMkTVr1mi0u1SpUmqx165da9bZ8CkmaC9x8uRJtcZY50qVKmkKi7zz5MmT5Y477pDixYvLd999JydO2DB8w3eYoL0ExSMFChRQC92pUyfXR0UHA95yyy0aKCtbtqz+t2H4ChO0FyBd1a1bNxVtkSJFJDk5WV1r2iTXrVsnhQoVkssvv1wqVKgg+\/fvd73LMLyPCdoLIOCKFSuqu\/3iiy9qWop+aM7QNWrU0CIT0lgTJkywoJjhU0zQlwjCXbBggdSqVUuqVKmigbGEhAQNgI0YMUKj3ZydR44cKSkpKa53GYZvMEFfIqdOnZIVK1ZoSSd13PPnz5eNGzeqdSbSTd6Z\/DSvMwxfY4I2jCDCBG0YQYQJ2jCCCBO0YQQRJmjDCBpE\/h8uQhXgz1eXVAAAAABJRU5ErkJggg==\" y=\"1.5\"><\/image> <rect fill=\"#fff\" height=\"10\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\" transform=\"rotate(-19 56.999999999999844,127.5) \" width=\"10\" x=\"52\" y=\"122.5\"><\/rect> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"24\" x2=\"66\" y1=\"146.5\" y2=\"130.5\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Times New Roman, Times, serif\" font-size=\"20\" font-weight=\"bold\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"69\" xml:space=\"preserve\" y=\"128.5\">H<\/text> <\/g> <\/svg><\/span><\/p><p>K\u1ebb AH&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;SB trong m\u1eb7t ph\u1eb3ng (SBC).<\/p><p>Ta c&oacute; BC&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;AB, BC&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;SA&nbsp;&rArr; BC&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;(SAB)&nbsp;&rArr; BC&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;AH.<\/p><p>Ta c&oacute; AH&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;BC, AH&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;SB&nbsp;&rArr; AH&nbsp;<span class=\"math-tex\">$\\bot$<\/span>&nbsp;(SBC)&nbsp;<\/p><p>Suy ra d(A, (SBC)) = AH =&nbsp;<span class=\"math-tex\">$\\dfrac{1}{2}$<\/span>.SB =&nbsp;<span class=\"math-tex\">$\\dfrac{a\\sqrt{2}}{2}$<\/span>.<\/p><p>Ch\u1ecdn&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong>&nbsp;<span class=\"math-tex\">$\\dfrac{a\\sqrt{2}}{2}$<\/span>.<\/span><\/p>","type":"choose","extra_type":"classic","user_id":"131","test":"0","date":"2024-05-09 02:15:05","option_type":"math","len":0}]}
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