Question

if a 4 rounds of a circular ground are 616 metre find the area of the ground​

Answer 1

Answer:

4 rounds=626m

1 round=616/4 m=154m

Therefore circumference=154cm

=>2πr=154

=>πr=154/2=77

=>22r/7=77

=>r=77×7/22

=7×7/2

=49/2

=24.5m

Area=πr^2

=22/7×(24.5)^2

=22/7×600.25

=1886.5