Geometry & Trigonometry
Advanced

Torus Volume

Volume of a donut-shaped solid.

Formula

V=2π2Rr2V = 2\pi^2 R r^2

Variables

RCenter radius
rTube radius

Example

Doughnut geometry

Did You Know?

A torus's volume can be found by Pappus's theorem: just spin its cross-section around and multiply by the distance travelled.

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