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December 20, 2014

December 20, 2014

Posted by **lila** on Wednesday, May 16, 2012 at 4:49pm.

A) Find the height of a cylinder with a radius of 3 inches.

250/3^2/ 3.14 = height of cylinder?

B)Find the radius of the sphere.

Is it just 3 inches?

C) Find the height of a cone with a radius of 3 inches.

I need help with this can someone please check if I'm doing this right?

- math -
**Henry**, Thursday, May 17, 2012 at 9:11pmA. V = pi*r^2 * h = 250 in^3

h =250 / pi*r^2 = 250 / 28.3 = 8.84 In.

B. V = (4/3)pi*r^3 = 250 In^3

r^3 = 250 / (4/3)pi = 250 / 4.19 = 59.7

r = 3.91 In.

C. V = (1/3)pi*r^2*h = 250 In^3

Solve for h.

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