If the larger circle of radius 6 cm has four smaller circles of radius 2 cm, then find the area of the shaded portion.
62.8 cm2
Given,
Radius of the larger circle r1=6 cm
and radius of the smaller circle r2=2 cm
Area of shaded portion
=πr21−4πr22
=π(62−4×22)=π(36−16)=3.14×20=62.8 cm2