Question

Renata is completing a craft project that involves covering only the lateral surface of a cylindrical container with fabric. The cylinder has a height of 12.8 in. and a radius of 15.1 in. To the nearest square unit, how much fabric does she need for this project? Use a calculator.

Answer 1

The lateral area is found by multiplying the circumference by the height.
Circumference C is found from:
\[C=2\times \pi \times r\]
Area A is found from:
\[A=2\times \pi \times r \times h\]