Let O A- O B- O C be three rays such that O C lies between O A and O B- Suppose the bisectors of - A O C and - C O B are perpendicular to each other- Prove that B- O- A are collinear-

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Polyhedrons

Let O A, O B,...

Question

Let be three rays such that lies between. Suppose the bisectors of ∠AOC and ∠COB are perpendicular to each other. Prove that B, O, A are collinear.

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