SSC CHSL 2019 PYQ — Question 62

SSC CHSL - 8th July 2019 - Shift 1 • Quantitative Aptitude • Q62

In a triangle ABC, the bisectors of ∠B and ∠C meet at O within the triangle. If ∠A = 110°, then the measure of ∠BOC is:

Show answer & explanation

Correct answer: A

Explanation

Correct Answer is option 1 i.e. 145°

Concept

Understanding

Application

With the property of angle bisectors:

∠BOC = 90 + A/2

Given:

∠A = 110°

∠BOC = 90 + A/2

⇒ ∠BOC = 90 + 110/2

⇒ ∠BOC = 90 + 55

⇒ ∠BOC = 145°