Question

Convert $3$ radian into degree measure.

Answer 1

It is known that $\pi radians={180}^{\circ }$. Then,

$1radian=\frac{{180}^{\circ }}{\pi }$

$3radians=3\times \frac{{180}^{\circ }}{\pi }$

$=\frac{{540}^{\circ }}{\pi }$