Answer:
Explanation:
Area of Square = side * side
= 9 * 9 = 81 sq.m
There are 4 quadrants.
r = 9/2 m = 4.5 m
Area of 4 quadrants = 4 * (1/4) * πr² = πr²
= 3.14159 * 4.5 * 4.5
= 63.62 sq.m
Area of shaded part = Area of square -Area of 4 quadrants
= 81 - 63.62
= 17.38 sq.m