Question

OABC is a quadrant of a circle radius 7 cm . if OD = 4 cm , find the area of the shaded region
{ the figure is the shape of a quadrant and and triangle is drawn in it ...we shld find the area of the rest of other part left excluding the triangle)

Answer 1

The picture attached

Answer 2

Given,

OD=4cm

Quadrant; therefore theta/360= 1/4

Radius= 7cm