SSC CGL 2016 PYQ — Question 77

SSC CGL Tier II Quant - 01/12/2016 • Quantitative Aptitude • Q77

A chord of a circle is equal to its radius. The angle subtended by this chord at a point on the circumference is:

Show answer & explanation

Correct answer: C

Explanation

The correct answer is Option 3 i.e. 30∘

Length of chord = Length of radius

Equilateral triangle is formed

Angle at the centre = 60∘

Angle subtended by chord at centre = 2 × Angle subtented by chord at the circumferece of circle

Hence,

Angle subtented by chord at the circumferece of circle = 30∘