Question

Convert $\frac{54}{7}\pi$ radians into degrees.

• A. $8^o$
• B. ${694}^o$
• C. ${1,389}^o$
• D. ${2,777}^o$

Answer 1

The correct option is C ${1,389}^o$

Degree $=$ radians $\times \frac{180}{\pi }$

$\Rightarrow \frac{54\pi }{7}\times \frac{180}{\pi }$

$\Rightarrow \frac{9720}{7}={1389}^o$