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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 (anonymous):
The top part of the metal can is a just circle that has a diameter of 10 :D
OpenStudy (anonymous):
This is what I have so far..|dw:1333304219406:dw|
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