Which is the closest to the area of the shaded region in the given square containing a circle?

A: 100 square meters
B: 78.5 square meters
C: 21.5 square meters
D: 50 square meters

Which is the closest to the area of the shaded region in the given square containing a circleA 100 square metersB 785 square metersC 215 square metersD 50 squar class=