Question

Find the perimeter of the unshaded region, if ABCD is a square of side 21 cm and two semi circles are on sides AB and CD as diameters.​

Answer 1

Answer is 108 cm .Think and just try it

Answer 2

Step-by-step explanation:

ABCD is a square of side 21 cm

two semi circles are on sides AB and CD as diameters,

p = 84 cm

a = side = 21cm

p = 4a = 4.21

= 84cm is the answer.

hope it helps!!