Question

Find the area and perimeter of the figure in which ABCD is a square of side 28 cm and DEC is a semi circle.
. (Use pie=22/7)​

Answer 1

Answer:

42cm

Step-by-step explanation:

Area of shaded region = Area of square − Area of two semicircles

Area of square ABCD =14×14 = 196cm

2

Area of two semicircles = Area of 1 complete circle =

7

22

×7×7 =154cm

2

∴ Area of shaded region = 196−154 =42 cm