SSC CHSL 2020 PYQ — Question 55

SSC CHSL - 15th October 2020 - Shift 3 • Quantitative Aptitude • Q55

In the figure

‘G’ is the centre of the circle. Find the angle ACB when ∠AGB = 150o

Show answer & explanation

Correct answer: C

Explanation

The correct answer is Option 3 i.e 75o.

Understanding/Application

The angle at the centre of the circle is double of the angle at its circumference.

∠AGB/2 = ∠ACB

150/2 = ∠ACB

∠ACB = 750