SOLUTION: The long edges of a 6 by 10 inch piece of paper are taped together to form a tube. What is the volume of air enclosed by the tube?

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Question 827209: The long edges of a 6 by 10 inch piece of paper are taped together to form a tube. What is the volume of air enclosed by the tube?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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The long edges of a 6 by 10 inch piece of paper are taped together to form a tube.
What is the volume of air enclosed by the tube?
:
This would form an open cylinder, with a height of 10" and a circumference of 6
Find the radius
2%2Api%2Ar+=+6
r+=+6%2F%282%2Api%29
r+=+3%2Fpi
Find the volume of the cylinder
V = pi%2A%283%2Fpi%29%5E2%2A10
V = pi%2A%289%2Fpi%5E2%29%2A10
Cancel pi
V = 9%2Fpi * 10
V = 90%2Fpi
V = 28.648 cu/in