Question

A circle has a radius of 2 cm sit inside a 11cm x 12cm rectangle what is the area of the shaded region

Answer 1

Answer:

119.42sq.cm

Step-by-step explanation:

areaof a circle=22/7*2*2

=88/7 sq.cm

area of the rectangle=11*12

=132sq.cm

area of the shaded region=132-88/7

=119.42sq.cm

Answer 2

area of circle along the length of circle =11cm×2=22cm

area of path along the width =12×2=24cm

area of common portion =2×2=4cm

total area of two path=(22+24)-4

=46-4=42