Question

convert 80 degrees to radians

Answer 1

Given:

To convert a given degree into radians.

The formula tp convert degree to radian is

$\begin{gathered} \text{Radian}=\frac{\pi}{180}\times degree \\ \text{Radian}=\frac{\pi}{180}\times80 \\ \text{Radian=}\frac{\pi}{9}\times4 \\ \text{Radian}=\frac{4\pi}{9} \end{gathered}$

Hence option d) is the correct answer.