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January 30, 2015

January 30, 2015

Posted by **christina** on Friday, August 12, 2011 at 1:32pm.

- geometry -
**Ms. Sue**, Friday, August 12, 2011 at 1:38pmV = pi * r^2 * h

V = 3.14 * 5^2 + 10

V = 3.14 * 25 * 10

V = 785 square cm

That's the smaller cylinder.

Find the volume of the larger cylinder and then subtract.

http://www.mathsteacher.com.au/year9/ch14_measurement/18_cylinder/cylinder.htm

- geometry - correction -
**Ms. Sue**, Friday, August 12, 2011 at 1:40pmThe volume of the smaller cylinder is

**785**__cubic__centimeters.

- geometry -
**Damon**, Friday, August 12, 2011 at 5:16pmv1 = pi r^2 H1

v2 = pi r^2 H2

v2/v1 = H2/H1 - twice

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