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[2011]22. In a square ABCD, its diagonals AC and BDintersect each other at point O. The bisectorof angle DAO meets BD at point M and thebisector of angle ABD meets AC at N and AMat L. Show that:(i) <ONL + 20ML = 180°(ii) LBAMテ<BMA(iii) ALOB is a cyclic quadrilateral |
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