Question

find the area of the shaded design in figure, where ABCD is a square of side 10 cm and semicircles are drawn with each side of the square as diameter. (use pie= 3.14)

Answer 1

Area of square=10×10=100

Area of 2semi-cirlces =3.14×5×5

=78.5

Area of shaded region=100-78.5

=21.5cm