Question

ABCD, square park, has each side of length 80 m. There is a flower bed at each corner in the form of a sector of radius 7 m, as shown in figure 13.20. Find the area of the remaining part of the park.

Answer 1

$required \: \: area = \\ area \: of \: square - 4 \times area \: of \: \\ one \: sector \\ = {80}^{2} - 4 \times ( \frac{1}{4} \times \pi \times {7}^{2} ) = 6246 \: {m}^{2}$