Question

The adjoining figure is made up of one circle and
three semicircles. Find the area of the shaded part.​

Answer 1

Answer:

first find the area of that three semicircles and subtracted from the area of the whole circle....

area of circle =πr^2

(^2 means it is square of the no.)

radius of the circle =4.2cm

=3.14×(4.2)^2