How can we determine the limits of integration on a triangular area, giving some examples if possible? 8

A soda can has a volume of 25 cubic inches. Let x denote its radius and h its height, both in inches. a. Using the fact that the volume of the can is 25 cubic inches, express h in terms of x. b. Express the total surface area S of the can in terms of x.

Determine dimension x to 3 decimal places.