The Sphere is a three-dimensional analogue of a circle. This worksheet help you to understand how to calculate sphere volume and surface area.

**sphere volume formula:**

Sphere Volume = (4/3) π r3

**sphere surface area formula:**

Square Surface Area = 4 π r2

__Example problem:__

Calculate the Area & volume of the Sphere whose Radius is 5

Sphere Volume = (4/3) π r3

= (4/3) x 3.14 x 53

= 523.8095

Sphere Surface Area = 4 x3.14 x 52

= 314.2857

The area & volume of the sphere is **314.2857** & **523.8095**

When you try such calculations on your own, this sphere calculator can be used to verify the results of your calculations.

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