Circle
2013-11-16 2:56 am
ABCD is a cyclic quadrilateral (A, B, C and D in anti-clockwise direction). AD produce meets BC produce at M. AB produce meets DC produce at N. The angle bisector of angle M and the angle bisector of angle N meets at X. Prove that angle MXN is a right angle.
回答 (2)
2013-11-16 6:20 am
2013-11-16 7:53 am
A very good answer.
But In XMDN,
x = m + n + b
looks like incorrect
Should it be :
In BMXN
x = m + n + b
But In XMDN,
x = m + n + b
looks like incorrect
Should it be :
In BMXN
x = m + n + b
收錄日期: 2021-04-27 20:37:32
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