Question

what distance does sunil cover if he takes 6 rounds of a circular garden whose area=88/7 sq km?

Answer 1

we know that
area of a circle =πR×R
or22/7×R×R=88/7
or R×R=4
or R=2km

also,
circumference of circle= 2πR

putting the value of R, for 6 rounds,it comes out to be 2π×2×6
=75.398km