Question

please please solve this
problem
Number 18,19 plzzzzzz help me

Answer 1

Hope this helps you...

Answer 2

17)The area occupied by both parks together would be
(πx8²) + (πx6²) = 100π

So the new park should be of area 100π.
π x (New Radius)² = 100π
So, (New Radius)² = 100  [As we cancel π on both sides]
Therefore, New Radius = 10m
correct option is (a)