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January 31, 2015

January 31, 2015

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

- Math, not "7th grade" -
**Writeacher**, Saturday, November 28, 2009 at 8:21pmAssistance 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 10:17amOf 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 7:32pmPi times r squared

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