Question

find the area of the shaded region-
of side 12 cm 18 cm​

Answer 1

it is a rectangle

so ab is equals to 18 cm

in semi circle

d=18

r=9

area of semi circle=πr

=22/7×9

=28.26cm square

area of rectangle=lxb

=12×18

=216cm square

area of shaded region=area of rectangle-area of semicircle

=216-28.26

=187 .74cm square