Answer:
13.73 cm 2
Explanation:
Area of the whole square 8x8=64
area of 4 quarters of circle = area of 1 circle( with radius 4)
Area circle pi x radius squared
pi x 4squared = pi x 16 = 50.265482.......
Area shaded is the area of the square minus the area of the circle
64-50.265482.... = 13.734517.......