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Video Guide
Definition of a sphere
An example of the definition of a sphere
Radius of a sphere explained.
The great circle explained with an illustration
Definition of hemisphere and a brief explanation of hemisphere
Formula for surface area of a sphere
Formula for volume of a sphere
Sample problem with step by step instruction over how to find surface area of a sphere.with an exact answer and a rounded decimal.
Example problem with step by step instructions for finding the volume of a sphere.
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