Question

At the centre of a circle of 10 cm radius
the angle made by an arc of 110/9 cm
length is
(A) 60° (B) 65° (C) 70° (D) 758​

Answer 1

I=Xx2πxr/360

110/9=Xx2x22x10/360x7

x = 110x360x7 / 9x2x22 x 10

70 degree