1.

What is the volume of an article which is made by digging out a hemisphere from each end of a solid cylinder?

A. r<sup>2</sup>h + 2(2 r<sup>3</sup>)
B. 2 rh 2( r<sup>2</sup>)
C. 2 rh + 2( ( frac {2}{3} ) r<sup>2</sup>)
D. r<sup>2</sup>h 2( ( frac {2}{3} ) r<sup>3</sup>)
Answer» E.


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