Question

plzz solve this question its urgent.....

Answer 1

circumference of pool = 10π m
2πr=10π
r =10π/2π
r=5m
side walk is 2m wide
so
r + 2= 7m
R=7m
perimeter of side walk = 2πR
2 ×22/7 × 7
2× 22
44m

Answer 2

it may be
48pi m2...........