{"common":{"save":0,"post_id":"7975","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10487","post_id":"7975","mon_id":"1159278","chapter_id":"1159333","question":"<p>Góc n\u1ed9i ti\u1ebfp nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 90° có s\u1ed1 \u0111o:<\/p>","options":["<strong>A.<\/strong> B\u1eb1ng n\u1eeda s\u1ed1 \u0111o góc \u1edf tâm cùng ch\u1eafn m\u1ed9t cung.","<strong>B.<\/strong> B\u1eb1ng s\u1ed1 \u0111o góc \u1edf tâm cùng ch\u1eafn m\u1ed9t cung.","<strong>C.<\/strong> B\u1eb1ng s\u1ed1 \u0111o cung b\u1ecb ch\u1eafn.","<strong>D.<\/strong> B\u1eb1ng n\u1eeda s\u1ed1 \u0111o cung l\u1edbn."],"correct":"1","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>A.<\/strong> B\u1eb1ng n\u1eeda s\u1ed1 \u0111o góc \u1edf tâm cùng ch\u1eafn m\u1ed9t cung.<\/span><\/p><p>Góc n\u1ed9i ti\u1ebfp (nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 90°) có s\u1ed1 \u0111o b\u1eb1ng n\u1eeda s\u1ed1 \u0111o góc \u1edf tâm cùng ch\u1eafn m\u1ed9t cung.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-03-09 14:05:18","option_type":"txt","len":3},{"id":"10488","post_id":"7975","mon_id":"1159278","chapter_id":"1159333","question":"<p>Trong m\u1ed9t \u0111\u01b0\u1eddng tròn, góc n\u1ed9i ti\u1ebfp có s\u1ed1 \u0111o<\/p>","options":["<strong>A.<\/strong> B\u1eb1ng hai l\u1ea7n s\u1ed1 \u0111o góc \u1edf tâm cùng ch\u1eafn m\u1ed9t cung.","<strong>B.<\/strong> B\u1eb1ng s\u1ed1 \u0111o góc \u1edf tâm cùng ch\u1eafn m\u1ed9t cung.","<strong>C.<\/strong> B\u1eb1ng s\u1ed1 \u0111o cung b\u1ecb ch\u1eafn.","<strong>D.<\/strong> B\u1eb1ng n\u1eeda s\u1ed1 \u0111o cung b\u1ecb ch\u1eafn."],"correct":"4","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>D.<\/strong> B\u1eb1ng n\u1eeda s\u1ed1 \u0111o cung b\u1ecb ch\u1eafn.<\/span><\/p><p>Trong m\u1ed9t \u0111\u01b0\u1eddng tròn, góc n\u1ed9i ti\u1ebfp có s\u1ed1 \u0111o b\u1eb1ng n\u1eeda s\u1ed1 \u0111o cung b\u1ecb ch\u1eafn.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-03-09 14:06:27","option_type":"txt","len":3},{"id":"10489","post_id":"7975","mon_id":"1159278","chapter_id":"1159333","question":"<p>Góc n\u1ed9i ti\u1ebfp ch\u1eafn n\u1eeda \u0111\u01b0\u1eddng tròn b\u1eb1ng bao nhiêu \u0111\u1ed9?<\/p>","options":["<strong>A.<\/strong> 180°","<strong>B.<\/strong> 45°","<strong>C.<\/strong> 90°","<strong>D.<\/strong> 120°"],"correct":"3","level":"1","hint":"","answer":"<p>Ch\u1ecdn <span style=\"color:#16a085;\"><strong>C.<\/strong> 90°.<\/span><\/p><p>Góc n\u1ed9i ti\u1ebfp ch\u1eafn n\u1eeda \u0111\u01b0\u1eddng tròn b\u1eb1ng 90°.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-03-09 14:07:50","option_type":"txt","len":1}]}
