Find angle -20° in radian measure as a multiple of $\pi$.
A)9 $\pi$
B) $\frac { \pi \sqrt { 2 } } { 2 }$
C) $- \frac { \pi } { 9 }$
D) $\frac { \pi \sqrt { 3 } } { 3 }$
E) $\frac { \pi } { 9 }$

Question

Find angle -20° in radian measure as a multiple of  $\pi$.  
A)9 $\pi$
B) $\frac { \pi \sqrt { 2 } } { 2 }$
C) $- \frac { \pi } { 9 }$
D) $\frac { \pi \sqrt { 3 } } { 3 }$
E) $\frac { \pi } { 9 }$

Quizplus · Accepted Answer

To convert degrees to radians, use the formula: radians = degrees × $\frac{\pi}{180}$. For -20°, it becomes -20 × $\frac{\pi}{180}$ = $- \frac{\pi}{9}$.

Find Angle -20° in Radian Measure as a Multiple Of \pi