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OpenStudy (anonymous):
The diameter of a tennis ball is about 7 cm. How much metal is needed to make a can to hold three tennis balls? Include the top and bottom of the can. Round to the nearest square centimeter.
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OpenStudy (mathteacher1729):
The three tennis balls will be staked up like this: O O O So how do you find the HEIGHT of the can? (if you are given only the DIAMETER of one ball?)
OpenStudy (anonymous):
pir^2h
OpenStudy (anonymous):
I don't really understand what to do...
OpenStudy (anonymous):
|dw:1333301279078:dw|
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