In a convex quadrilateral , Bisectors of ABC and BAD meet at . Show that . Sadly, no ideas on this one.
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Originally Posted by atreyyu In a convex quadrilateral , Bisectors of ABC and BAD meet at . Show that . Sadly, no ideas on this one. 1. I assume that you mean the angle bisector ... ? (Drawn in blue) If so: 2. Draw a sketch (see attachment) 3. For symmetry reasons the 2 orange segments must be as long as the red segment.
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