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Mathematics 15 Online
OpenStudy (anonymous):

Find the volume of a sphere with a diameter of 25 cm. Approximate as 3.14 and round your answer to the nearest hundredth.

OpenStudy (pottersheep):

So what's the formula for a sphere?

OpenStudy (pottersheep):

|dw:1412772358871:dw|

OpenStudy (pottersheep):

We don't have the radius, but we do have the diameter

OpenStudy (pottersheep):

Radius is just the diameter divided by 2

OpenStudy (pottersheep):

Diameter = 25 cm therefore radius = 12.5cm

OpenStudy (pottersheep):

Now just plug it into the formula

OpenStudy (pottersheep):

|dw:1412772456907:dw|

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