Posted by **mariam** on Monday, February 18, 2013 at 12:13pm.

a physical education teacher was getting ready for gym class one day . he measured the circumference of the basketball to be 9 inches when it is filled with air . he then went on to pose the following question to his classes : use 3.14

A ) how much material is needed to make four baskeballs?

b ) how much air will the four balls hold combined ?

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