Question

Convert $240^{\circ}$ into radian.

• A. $2\pi /3$
• B. $4\pi /3$
• C. $7\pi /3$
• D. $\pi /3$

Answer 1

Answer: (B)

$4\pi /3$

Answer 2

$240^{\circ}=\frac{\pi}{180}\times 240$ radian $=\frac{4\pi}{3}$ radian