Posted by **heavenly** on Saturday, November 28, 2009 at 8:17pm.

how can I find the volume, height and radius of a CD

- Math, not "7th grade" -
**Writeacher**, Saturday, November 28, 2009 at 8:21pm
Assistance needed.

Please type your __subject__ in the **School Subject** box. Any other words are likely to delay responses from a teacher who knows that subject well.

- 7th grade math -
**PsyDAG**, Sunday, November 29, 2009 at 10:17am
Of a computer disk?

Volume = pi* r^2* h

pi = 3.1416

r = radius = distance from center to edge of CD

h = height = the short distance from top to bottom of the CD

Does this help?

- 7th grade -
**Nick**, Tuesday, December 1, 2009 at 7:32pm
Pi times r squared

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