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Two cylinders of equal size have combined total volume=20 meter cube.If the volume of a...

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islnds | Valedictorian

Posted November 11, 2011 at 10:44 AM via web

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Two cylinders of equal size have combined total volume=20 meter cube.If the volume of a cylinder is V=3.14r^2h, determine h if radius is 1.2m across?

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boblawrence | (Level 1) Associate Educator

Posted November 11, 2011 at 11:12 AM (Answer #1)

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Volume of 1 cylinder is 10 cubic meters.

For a cylinder, V = 3.14 r^2h

10 = 3.14(1.2)(1.2)h = 4.52h

h = 10/4.52 = 2.21Meters

 

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