geometry
2011-09-01 6:24 am
AOB is a diameter of circle with center O. C is a point on the circumference such that OC is perpendicular to AOB. M is the mid- point of OC. N is a point on AO such that angle AMN = angle NMO. D is a point on minor arc AC such that ND//OC. Find angle ADN. (Ans : 36 degree)
回答 (2)
2011-09-01 6:50 pm
✔ 最佳答案
圖片參考：http://i1191.photobucket.com/albums/z467/robert1973/Sep11/Crazygeom2.jpg
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參考: 原創答案
2011-09-01 8:34 pm
001's answer is very brilliant!!
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