Right angle and median

Geometry Level 3

Let A B C ABC be a scalene triangle. Drop a perpendicular from A A to B C BC , meeting at O O . Let A D AD be the median joining A A to B C BC . If ∠ O A B \angle OAB = ∠ C A D \angle CAD , then ∠ C A B \angle CAB in degree is :


The answer is 90.

Danish Ahmed by Danish Ahmed , 24, India

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