Question

This??? What is wrong with it?

Answer 1

15.8 sq. in. of paper will be required.

Explanation:

The problem is that a drinking cup does not have a cover, so only the lateral surface area counts.

I.e. We need only the first term.

A = pi r l = pi * 1.5 * sqrt(3^2+1.5^2)

= 15.81 sq. in.