Posted by **Sholanda** on Tuesday, May 29, 2012 at 11:22pm.

A cylindrical container of paint with a radius of 6 inches is 15 inches tall. If all of the surface area except the top are made of metal, how much metal is used to make the container? Assume the thickness of the material is negligable. Round to the nearest square inch.

- Geometry -
**Sholanda**, Tuesday, May 29, 2012 at 11:26pm
If the top of the paint container is made of plastic, how much plastic is used to make the top? Assume the thickness of the plastic is negligable. Round to the nearest square inch.

- Geometry -
**Reiny**, Wednesday, May 30, 2012 at 7:10am
First question:

the surface area would be the bottom circle + the rectangular sleeve

= π(6^2) + 2π(6)(15)

= 36π + 180π

= 216π square inches

Second question:

Unless I am missing something, but isn't that just the area of the circle which was 36π

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