SOLUTION: A straw has a radius of 0.13 inch and a length of 7 inches. How much material was used to make the straw? Round answer to the nearest tenth.

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Question 113848: A straw has a radius of 0.13 inch and a length of 7 inches. How much material was used to make the straw? Round answer to the nearest tenth.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
C=2*pi*r
amt of material used=C*L
2*pi*.13*7=5.7 in^2 of material.
Ed