Question

A playground is the form of a rectingle having
semi-circles on the shorter sides Find the area when the
length of the rectangular portion is 80m and
the breadth is 42 m​

Answer 1

Area of given figure = area of rectangle + area of semicircle

AD is the shortest length of rectangle and diameter of semicircle.

Since,

AD=2r

42=2r

r=21cm

area=80×42+22/7×21×21=3360+1386

area=4746 cm²

Answer 2

Answer:

area=4746cm sq is your answer.