On a circle, an arc is exactly three–quarters of the entire circumference. What is…

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

Problem

On a circle, an arc is exactly three–quarters of the entire circumference. What is the measure of the corresponding central angle in radians? (a)

\dfrac{3\pi}{4}\text{ rad}

(b)

\dfrac{3\pi}{2}\text{ rad}

(c)

\pi\text{ rad}

(d)

\dfrac{5\pi}{4}\text{ rad}