The angle radians is equal to how many degrees?

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

Problem

4. The angle

\dfrac{7\pi}{9}

radians is equal to how many degrees? (a)

70^{\circ}

(b)

210^{\circ}

(c)

140^{\circ}

(d)

280^{\circ}