AB is a chord of a circle with center O and P is any point on the circle. If
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 220
Given that
∠APB = 112°, ∠OAB =?
∠ACB = 180 - ∠APB = 180 - 112º = 68º
∠AOB = 2 * ∠ACB = 2 * 68º = 136º
∠OAB = (180 - ∠AOB)/2 = ( 180 - 136º)/2 = 44/2 = 22º