MQ84 --- Geometry
2013-06-17 4:45 am
MQ84--- GeometryDifficulty:40%Let ABC be a triangle where ∠C=90°. Let M bea point on the segment BC such that AM bisects ∠BAC.Similarly, let N be a point on the segment AC such that BN bisects ∠ABC. Let P and Q be points on AB such that MP and NQ are perpendicular to AB. Find ∠MCN.
回答 (2)
2013-06-17 8:59 am
✔ 最佳答案
圖片參考：http://i1096.photobucket.com/albums/g340/pingshek/2013-06-17_zps64707509.png
http://i1096.photobucket.com/albums/g340/pingshek/2013-06-17_zps64707509.png
參考: pingshek
2013-06-17 6:39 am
圖片參考：http://i.imgur.com/HkVk7l9.png
∠MCN
=∠ACB
=∠C
=90° (given)
2013-06-16 23:27:09 補充：
Are you sure that the value of anglePCQ is fixed?
參考: myself :D
收錄日期: 2021-04-13 19:31:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130616000051KK00284