Question

Find the radian measure of an angle of -280°

A) (9/-14π)

B) (-14π/9)

C) (9π/-14)

D) (-14/9π)

Answer 1

To convert an angle from degrees to radians, multiply by π/180°.

Your angle is
   (-280°)*(π/180°) = -14π/9

The appropriate choice is ...
   B) (-14π/9)