Question

find the perimeter of shaded region if abcd is a square of side 20 cm and apb and cpd are semi circle​

Answer 1

Answer:

side=20 cm

D=20 cm

R=10 cm

perimeter of shaded region = perimeter of 2 semi-circle

or

1 circle + 2 diameter

= 2$\pi$r+2d

2*3.14*10+20+20

62.8+40

=102.8 cm approx

Step-by-step explanation: