What is the measure

MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

What is the measure, in radians, of the angle subtended at the centre of a circle by an arc whose length is equal to the radius of the circle? (a) π2\dfrac{\pi}{2} rad (b) 2 rad (c) 1 rad (d) π3\dfrac{\pi}{3} rad

Related theory

Browse the problem library