Question

Convert Degree to Radian: 90

• A. $${\frac{\pi}{180}}$$
• B. $${\frac{\pi}{2}}$$
• C. $${\frac{\pi}{18}}$$
• D. $${\frac{\pi}{9}}$$

Answer 1

Answer:

$${\frac{\pi}{2}}$$

To convert Degree to Radiant $=90\times{\frac{\pi}{180}}$

$=\frac{\pi}{2}$