Question

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

Answer 1

Answer:

Explanation:Area of given figure

=

area of rectangle

+

area of semicircle

A

D

is the shortest length of rectangle and diameter of semicircle.

Since,

AD

=2r42

=2rr

=21cm

area

=80×42+227×21×21

=3360+1386

area=4746cm2