Geometry & Trigonometry
Basic

Volume of a Sphere

The volume enclosed by a sphere.

Formula

V=43πr3V = \frac{4}{3}\pi r^3

Variables

rRadius

Example

A sphere of radius 3: V = (4/3)π·3³ ≈ 113.1 cubic units.

Did You Know?

Archimedes was so proud of proving a sphere is 2/3 the volume of its cylinder that he had it carved on his tombstone.

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