Homework Help: Geometry

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

Answer this Question

Related Questions

Geometry - A science lab needs a right circular cylindrical container that holds...
Geometry - A cone and cylinder both have a radius of 3 inches and a height of 6 ...
math - a rectangular container with dimensions 10 inches by 15 inches by 20 ...
Geometry - A cylindrical flower pot with an open top needs to be painted. The ...
math - A cylindrical container has a diameter of 12 inches and a height of 15 ...
math - A cylindrical jar with height 8 inches and diameter 6 inches is filled to...
Geometry - A cylinder flower pot with open top needs to be painted. The height ...
Geometry -need help - A cylinder flower pot with open top needs to be painted. ...
geometry - What is volume of a rectangular container that is 15 inches long,3 1/...
Math and Society - Which solid has the greatest volume? a)A right cylindrical ...

For Further Reading

First Name:
School Subject:
Answer: