Question

The value of the angle, in radian subtended at the centre of the circle of radius 100 metres by an arc of length 25π metres is:

(A) π/4 radian

(B) π/3 radian

(C) π/6  radian

(D) 3π/4 radian

Answer 1

Answer is (A) \(\frac { \pi }{ 4 }\) radian