Find the area for the shaded part

Answer:Step-by-step explanation:Area of Square = side * side                          = 9 * 9 = 81 sq.mThere are 4 quadrants.r = 9/2 m = 4.5 mArea of 4 quadrants = 4 * (1/4) * πr² =  πr²                                   =  3.14159 * 4.5 * 4.5                                   = 63.62 sq.mArea of shaded part = Area of square -Area of 4 quadrants                                   = 81 - 63.62                                    = 17.38 sq.m