{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho $\\triangle PQR = \\triangle DEF $ trong \u0111\u00f3 $PQ = 5cm, QR = 4cm, PR = 3cm$. <br\/> Chu vi tam gi\u00e1c $DEF$ l\u00e0: ","select":[" A. $10 cm$ "," B. $12 cm$ "," C. $14 cm$ ","D. $16 cm$ "],"explain":" Ta c\u00f3 $\\triangle PQR = \\triangle DEF $ n\u00ean <br\/> $PQ = DE = 5cm, QR = EF = 4cm, PR = DF = 3cm$ <br\/> Chu vi tam gi\u00e1c $DEF$ b\u1eb1ng: <br\/> $DE + EF + DF = 5 + 4 + 3 = 12$ (cm) <br\/><br\/><span class='basic_pink'>\u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span>","column":2}]}],"id_ques":1581},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["LKI"]]],"list":[{"point":5,"width":40,"content":"","type_input":"","ques":"Cho $\\triangle FGH = \\triangle IKL $ <br\/> Suy ra $\\triangle HGF = \\triangle \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{} $ ","explain":"$\\triangle FGH = \\triangle IKL $ suy ra $\\triangle HGF = \\triangle LKI $"}]}],"id_ques":1582},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["KLM"]]],"list":[{"point":5,"width":40,"content":"","type_input":"","ques":"Nh\u00ecn h\u00ecnh v\u1ebd h\u00e3y cho bi\u1ebft: <br\/> $\\triangle NML = \\triangle \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{} $ <br\/> (Ch\u00fa \u00fd: Nh\u1eadp th\u1ee9 t\u1ef1 c\u00e1c \u0111\u1ec9nh ph\u1ea3i ch\u00ednh x\u00e1c) <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/hinhhoc/bai10/lv1/img\/H7B10-08.png' \/><\/center> ","explain":"Ta c\u00f3: $\\triangle NML = \\triangle KLM $ "}]}],"id_ques":1583},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["FEG"]]],"list":[{"point":5,"width":40,"content":"","type_input":"","ques":"Nh\u00ecn h\u00ecnh v\u1ebd h\u00e3y cho bi\u1ebft: <br\/> $\\triangle FHG = \\triangle \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{} $ <br\/> (Ch\u00fa \u00fd: Nh\u1eadp th\u1ee9 t\u1ef1 c\u00e1c \u0111\u1ec9nh ph\u1ea3i ch\u00ednh x\u00e1c) <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/hinhhoc/bai10/lv1/img\/H7B10-09.png' \/><\/center> ","explain":"Ta c\u00f3: $\\triangle FHG = \\triangle FEG $ "}]}],"id_ques":1584},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["15"]]],"list":[{"point":5,"width":40,"content":"","type_input":"","ques":"Cho $\\triangle ABC = \\triangle DEF $. Bi\u1ebft $AB = 4cm, BC = 6cm, DF = 5cm.$ <br\/> Chu vi c\u1ee7a tam gi\u00e1c $ABC$ l\u00e0: $\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{} (cm)$ ","explain":" Ta c\u00f3: $\\triangle ABC = \\triangle DEF $ n\u00ean $DF = AC = 5cm$ <br\/> Chu vi c\u1ee7a tam gi\u00e1c $ABC$ l\u00e0: <br\/> $AB + BC + AC = 4 + 6 + 5 = 15$ (cm) <br\/><br\/><span class='basic_pink'> \u0110\u00e1p s\u1ed1: 15 (cm)<\/span> "}]}],"id_ques":1585},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"C\u00f3 $AB = HC, AD = CK, BD = HK.$ <br\/> Hai tam gi\u00e1c b\u1eb1ng nhau theo th\u1ee9 t\u1ef1 \u0111\u1ec9nh t\u01b0\u01a1ng \u1ee9ng l\u00e0: ","select":["A. $\\triangle{ABD} = \\triangle{HCK} $","B. $\\triangle{ADB} = \\triangle{CHK} $ ","C. $\\triangle{ABD} = \\triangle{CHK} $ ","D. $\\triangle{ADB} = \\triangle{KCH} $ "],"explain":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/hinhhoc/bai10/lv1/img\/H7B10-04.png' \/><\/center> Ta c\u00f3: $AB = HC, AD = CK, BD = HK$ <br\/> N\u00ean hai tam gi\u00e1c b\u1eb1ng nhau theo th\u1ee9 t\u1ef1 \u0111\u1ec9nh t\u01b0\u01a1ng \u1ee9ng l\u00e0: <br\/> $\\triangle{ABD} = \\triangle{CHK} $ <br\/><br\/><span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 C. <\/span> ","column":2}]}],"id_ques":1586},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["24"],["24"]]],"list":[{"point":5,"width":40,"content":"","type_input":"","ques":"Cho $\\triangle ABC = \\triangle DEF $. Bi\u1ebft $AB = 6cm, AC = 8cm, EF = 10cm$. <br\/> Chu vi c\u1ee7a tam gi\u00e1c $ABC$ l\u00e0: $\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{} (cm)$ <br\/> Chu vi c\u1ee7a tam gi\u00e1c DEF l\u00e0: $\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{} (cm)$ ","explain":" Ta c\u00f3: $\\triangle ABC = \\triangle DEF $ n\u00ean $EF = BC = 10 cm$ <br\/> Chu vi c\u1ee7a tam gi\u00e1c ABC l\u00e0: <br\/> $AB + BC + AC = 6 + 10 + 8 = 24$ (cm) <br\/> V\u00ec $\\triangle ABC = \\triangle DEF $ n\u00ean chu vi $\\triangle ABC$ = chu vi $\\triangle DEF $ <br\/> Suy ra chu vi c\u1ee7a tam gi\u00e1c DEF l\u00e0: 24 (cm) <br\/><br\/><span class='basic_pink'> \u0110\u00e1p s\u1ed1: 24 (cm), 24 (cm). <\/span> "}]}],"id_ques":1587},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Cho $\\triangle MNP $ v\u00e0 $ \\triangle HIK $ c\u00f3 $MN = HI, PM = KH.$ <br\/> C\u1ea7n th\u00eam m\u1ed9t \u0111i\u1ec1u ki\u1ec7n g\u00ec \u0111\u1ec3 $\\triangle MNP $ v\u00e0 $\\triangle HIK $ b\u1eb1ng nhau theo tr\u01b0\u1eddng h\u1ee3p c\u1ea1nh - c\u1ea1nh- c\u1ea1nh? ","select":["A. $MP = IK$ ","B. $NP = KI$ ","C. $NP = HI$ ","D. $MN = HK$ "],"explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/> \u0110\u1ec3 hai tam gi\u00e1c b\u1eb1ng nhau theo tr\u01b0\u1eddng h\u1ee3p c\u1ea1nh-c\u1ea1nh-c\u1ea1nh th\u00ec c\u00e1c c\u1ea1nh t\u01b0\u01a1ng \u1ee9ng c\u1ee7a n\u00f3 ph\u1ea3i b\u1eb1ng nhau. <\/span> <br\/><br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \u0110\u1ec3 $\\triangle MNP = \\triangle HIK $ (c - c - c) th\u00ec : <br\/> $MN = HI, PM = KH, NP = KI$ <br\/><br\/><span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> ","column":2}]}],"id_ques":1588},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Cho $\\triangle ABC = \\triangle MNP $. <br\/> Ph\u00e1t bi\u1ec3u n\u00e0o trong c\u00e1c ph\u00e1t bi\u1ec3u sau \u0111\u00e2y l\u00e0 sai? ","select":["A. $AB = MN$ ","B. $\\widehat{B} = \\widehat{N} $ ","C. $\\widehat{P} = \\widehat{B} $ ","D. $PM = CA$ "],"explain":" Ta c\u00f3: $\\triangle ABC = \\triangle MNP $ n\u00ean: <br\/> $AB = MN, AC = MP, BC = NP$ <br\/> $\\widehat{A} = \\widehat{M}, \\widehat{B} = \\widehat{N}, \\widehat{C} = \\widehat{P} $<br\/><br\/><span class='basic_pink'>Ph\u00e1t bi\u1ec3u sai l\u00e0 C. V\u00ec $\\widehat{P} = \\widehat{C} $. <\/span> ","column":2}]}],"id_ques":1589},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"\u0110i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng ''...'' trong ph\u00e1t bi\u1ec3u sau: <br\/> N\u1ebfu $\\triangle UVT = \\triangle HIK $ th\u00ec $UV = ..., ... = HK$ ","select":["A. $HK, UT$","B. $HI, UT$ ","C. $IK, UT$ ","D. $HI, VT$ "],"explain":" Ta c\u00f3: $\\triangle UVT = \\triangle HIK $ n\u00ean $UV = HI, UT = HK, VT = IK$ <br\/><br\/><span class='basic_pink'>\u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span> ","column":2}]}],"id_ques":1590},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["17"]]],"list":[{"point":5,"width":40,"content":"","type_input":"","ques":"Cho $\\triangle ABC = \\triangle MNP $. Bi\u1ebft $AB = 4cm, AC = 6cm, NP = 7cm.$ <br\/> Chu vi c\u1ee7a tam gi\u00e1c $MNP$ l\u00e0: $\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{} (cm)$ ","explain":" Ta c\u00f3: $\\triangle ABC = \\triangle MNP $ n\u00ean $AB = MN, BC = NP, AC = MP$ <br\/> Do \u0111\u00f3: $MN = 4cm, MP = 6cm, NP = 7cm.$ <br\/> Chu vi c\u1ee7a tam gi\u00e1c $MNP$ l\u00e0: <br\/> $MN + MP + NP = 4 + 6 + 7 = 17$ (cm) <br\/><br\/><span class='basic_pink'> \u0110\u00e1p s\u1ed1: 17 (cm)<\/span> "}]}],"id_ques":1591},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Cho $\\triangle ABC = \\triangle DEF $. <br\/> Bi\u1ebft $\\widehat{A} = 27^{o}, \\widehat{F} = 52^{o} $ <br\/> S\u1ed1 \u0111o c\u1ee7a g\u00f3c B l\u00e0: ","select":["A. $79^{o} $ ","B. $27^{o} $ ","C. $52^{o} $ ","D. $101^{o} $ "],"explain":" Ta c\u00f3: $\\triangle ABC = \\triangle MNP $ n\u00ean $\\widehat{C} = \\widehat{F} = 52^{o} $ <br\/> Trong tam gi\u00e1c ABC c\u00f3 $\\widehat{A} + \\widehat{B} + \\widehat{C} = 180^{o} \\\\ \\Leftrightarrow 27^{o} + \\widehat{B} + 52^{o} = 180^{o} \\\\ \\Rightarrow \\widehat{B} = 101^{o} $ <br\/><br\/><span class='basic_pink'>\u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span> ","column":4}]}],"id_ques":1592},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Tr\u01b0\u1eddng h\u1ee3p b\u1eb1ng nhau c\u1ea1nh - c\u1ea1nh - c\u1ea1nh c\u1ee7a hai tam gi\u00e1c l\u00e0: ","select":["A. N\u1ebfu ba c\u1ea1nh c\u1ee7a tam gi\u00e1c n\u00e0y b\u1eb1ng ba c\u1ea1nh c\u1ee7a tam gi\u00e1c kia th\u00ec hai tam gi\u00e1c \u0111\u00f3 b\u1eb1ng nhau. ","B. N\u1ebfu ba g\u00f3c c\u1ee7a tam gi\u00e1c n\u00e0y b\u1eb1ng ba g\u00f3c c\u1ee7a tam gi\u00e1c kia th\u00ec hai tam gi\u00e1c \u0111\u00f3 b\u1eb1ng nhau. ","C. N\u1ebfu m\u1ed9t c\u1ea1nh c\u1ee7a tam gi\u00e1c n\u00e0y b\u1eb1ng m\u1ed9t c\u1ea1nh c\u1ee7a tam gi\u00e1c kia th\u00ec hai tam gi\u00e1c \u0111\u00f3 b\u1eb1ng nhau. ","D. N\u1ebfu hai g\u00f3c c\u1ee7a tam gi\u00e1c n\u00e0y b\u1eb1ng hai g\u00f3c c\u1ee7a tam gi\u00e1c kia th\u00ec hai tam gi\u00e1c \u0111\u00f3 b\u1eb1ng nhau. "],"explain":" Tr\u01b0\u1eddng h\u1ee3p b\u1eb1ng nhau th\u1ee9 nh\u1ea5t c\u1ee7a tam gi\u00e1c: c\u1ea1nh - c\u1ea1nh - c\u1ea1nh (c.c.c) <br\/> N\u1ebfu ba c\u1ea1nh c\u1ee7a tam gi\u00e1c n\u00e0y b\u1eb1ng ba c\u1ea1nh c\u1ee7a tam gi\u00e1c kia th\u00ec hai tam gi\u00e1c \u0111\u00f3 b\u1eb1ng nhau. <br\/><br\/><span class='basic_pink'>\u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span> ","column":1}]}],"id_ques":1593},{"time":24,"part":[{"time":3,"title":"S\u1eafp x\u1ebfp c\u00e1c c\u00e2u","title_trans":"Cho tam gi\u00e1c $AMN$ v\u00e0 tam gi\u00e1c $BMN$ c\u00f3 $MA = MB, NA = NB.$ <br\/> H\u00e3y s\u1eafp x\u1ebfp c\u00e1c \u00fd ch\u1ee9ng minh $\\widehat{AMN} = \\widehat{BMN} $","temp":"sequence","correct":[[[3],[2],[4],[1]]],"list":[{"point":5,"image":"https://www.luyenthi123.com/file/luyenthi123/lop7/toan/hinhhoc/bai10/lv1/img\/H7B10-02.png","left":["Do \u0111\u00f3 $\\triangle AMN = \\triangle BMN $ (c.c.c)","$MN$: c\u1ea1nh chung, $MA = MB$ (gi\u1ea3 thi\u1ebft), $NA = NB$ (gi\u1ea3 thi\u1ebft)","Suy ra $\\widehat{AMN} = \\widehat{BMN} $","X\u00e9t $\\triangle AMN $ v\u00e0 $\\triangle BMN $ c\u00f3: "],"top":55,"explain":"X\u00e9t $\\triangle AMN $ v\u00e0 $\\triangle BMN $ c\u00f3: <br\/> + $MN$ c\u1ea1nh chung <br\/> + $MA = MB$ (gi\u1ea3 thi\u1ebft) <br\/> + $NA = NB$ (gi\u1ea3 thi\u1ebft) <br\/> Do \u0111\u00f3 $\\triangle AMN = \\triangle BMN $ (c.c.c) <br\/> Suy ra $\\widehat{AMN} = \\widehat{BMN} $ (hai g\u00f3c t\u01b0\u01a1ng \u1ee9ng)"}]}],"id_ques":1594},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Cho hai tam gi\u00e1c b\u1eb1ng nhau $\\triangle ABC = \\triangle DEG$. <br\/> Bi\u1ebft $\\widehat{A} = 50^{o}, \\widehat{B} = 60^{o} $ <br\/> S\u1ed1 \u0111o c\u1ee7a g\u00f3c G l\u00e0: ","select":["A. $50^{o} $ ","B. $60^{o} $ ","C. $70^{o} $ ","D. $80^{o} $ "],"explain":" Trong tam gi\u00e1c $ABC$ c\u00f3 $\\widehat{A} + \\widehat{B} + \\widehat{C} = 180^{o} \\\\ \\Leftrightarrow 50^{o} + 60^{o} + \\widehat{C} = 180^{o} \\\\ \\Rightarrow \\widehat{C} = 70^{o} $ <br\/> V\u00ec $\\triangle ABC = \\triangle DEG $ n\u00ean $\\widehat{C} = \\widehat{G} $ <br\/> v\u1eady $ \\widehat{G} = 70^{o} $ <br\/><br\/><span class='basic_pink'>\u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span> ","column":4}]}],"id_ques":1595},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho tam gi\u00e1c $ABC$ c\u00f3 $\\widehat{A} = 80^{o}, \\widehat{B} = 70^{o} $ <br\/> Bi\u1ebft tam gi\u00e1c $ABC$ b\u1eb1ng tam gi\u00e1c MNP. <br\/> S\u1ed1 \u0111o c\u1ee7a g\u00f3c P l\u00e0: ","select":["A. $40^{o} $ ","B. $30^{o} $ ","C. $70^{o} $ ","D. $80^{o} $ "],"explain":" Trong tam gi\u00e1c $ABC$ c\u00f3 $\\widehat{A} + \\widehat{B} + \\widehat{C} = 180^{o} \\\\ \\Leftrightarrow 80^{o} + 70^{o} + \\widehat{C} = 180^{o} \\\\ \\Rightarrow \\widehat{C} = 30^{o} $ <br\/> V\u00ec $\\triangle ABC = \\triangle MNP $ n\u00ean $\\widehat{C} = \\widehat{P} $ <br\/> V\u1eady $ \\widehat{P} = 30^{o} $ <br\/><span class='basic_pink'>\u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span> ","column":4}]}],"id_ques":1596},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Cho tam gi\u00e1c $ABC$ c\u00f3 $AB = 3 cm, AC = 4 cm, BC = 6 cm.$ <br\/> Bi\u1ebft $\\triangle MNP = \\triangle ABC $, s\u1ed1 \u0111o c\u1ea1nh MP l\u00e0: ","select":["A. 6 cm ","B. 3 cm ","C. 4 cm ","D. 5 cm "],"explain":" Ta c\u00f3 $\\triangle MNP = \\triangle ABC $ n\u00ean $MP = AC$ <br\/> Suy ra $MP = 4 cm$ <br\/><br\/><span class='basic_pink'>\u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span> ","column":4}]}],"id_ques":1597},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" <b> T\u00ecm c\u00e2u tr\u1ea3 l\u1eddi sai:<\/b> <br\/> Cho $\\triangle DEF = \\triangle HIK $ ta c\u00f3: ","select":["A. Hai \u0111\u1ec9nh D v\u00e0 H, E v\u00e0 I, F v\u00e0 K g\u1ecdi l\u00e0 hai \u0111\u1ec9nh t\u01b0\u01a1ng \u1ee9ng. ","B. Hai g\u00f3c D v\u00e0 H, E v\u00e0 I, F v\u00e0 K g\u1ecdi l\u00e0 hai g\u00f3c t\u01b0\u01a1ng \u1ee9ng. ","C. Hai c\u1ea1nh DE v\u00e0 HI, DF v\u00e0 HK, EF v\u00e0 IK g\u1ecdi l\u00e0 hai c\u1ea1nh t\u01b0\u01a1ng \u1ee9ng.","D. $\\widehat{DEF} = \\widehat{HIK} $ v\u00e0 DE = HK"],"explain":" C\u00e2u sai l\u00e0 D. V\u00ec $DE = HI$ ","column":1}]}],"id_ques":1598},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" <span class='basic_left'> Cho tam gi\u00e1c $ABC$ v\u00e0 $A'B'C'$ c\u00f3 $AB = A'B'$, $AC = A'C'$, $BC = B'C'$, $\\widehat{A} = \\widehat{A'}$, $\\widehat{B} = \\widehat{B'}$, $\\widehat{C} = \\widehat{C'} $ <br\/> \u0110\u1ec3 k\u00ed hi\u1ec7u s\u1ef1 b\u1eb1ng nhau c\u1ee7a tam gi\u00e1c $ABC$ v\u00e0 $A'B'C'$ ta vi\u1ebft: <\/span>","select":["A. $\\triangle ABC = \\triangle A'B'C'$ ","B. $\\triangle ABC = \\triangle C'B'A'$ ","C. $\\triangle ABC = \\triangle A'C'B'$ ","D. C\u1ea3 A, B, C \u0111\u1ec1u \u0111\u00fang. "],"explain":" Tam gi\u00e1c $ABC$ v\u00e0 $A'B'C'$ c\u00f3 $AB = A'B', AC = A'C', BC = B'C'$, $\\widehat{A} = \\widehat{A'}, \\widehat{B} = \\widehat{B'}, \\widehat{C} = \\widehat{C'} $ <br\/> khi \u0111\u00f3 $\\triangle ABC = \\triangle A'B'C'$ <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 A. <\/span> <\/span>","column":2}]}],"id_ques":1599},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Hai tam gi\u00e1c b\u1eb1ng nhau l\u00e0: ","select":["A. Hai tam gi\u00e1c c\u00f3 c\u00e1c g\u00f3c t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau.","B. Hai tam gi\u00e1c c\u00f3 c\u00e1c g\u00f3c t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau, c\u00e1c c\u1ea1nh t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau.","C. Hai tam gi\u00e1c c\u00f3 c\u00e1c c\u1ea1nh t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau, c\u00e1c g\u00f3c t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau. ","D. C\u1ea3 B, C \u0111\u1ec1u \u0111\u00fang. "],"hint":"Xem \u0111\u1ecbnh ngh\u0129a hai tam gi\u00e1c b\u1eb1ng nhau. ","explain":" Hai tam gi\u00e1c b\u1eb1ng nhau l\u00e0: <br\/> Hai tam gi\u00e1c c\u00f3 c\u00e1c c\u1ea1nh t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau, c\u00e1c g\u00f3c t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau. <br\/> Hai tam gi\u00e1c c\u00f3 c\u00e1c g\u00f3c t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau ch\u01b0a ch\u1eafc \u0111\u00e3 b\u1eb1ng nhau <br\/> V\u1eady \u0111\u00e1p \u00e1n B v\u00e0 C \u0111\u1ec1u \u0111\u00fang <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n ch\u1ecdn l\u00e0: D <\/span> <\/span>","column":1}]}],"id_ques":1600}],"lesson":{"save":0,"level":1}}