Pool A circumference 24 feet pi
Pool B circumference 7.5 meters pi
Convert to same unit
Pool A = 7.32 m pi
Pool b = 7.5 m pi
7.5-7.32 = 0.18
0.18 pi = 0.57
Pool B has a greater circumerence by 0.57 meters
180/360 times 81 pi = 127.23
