CCalclabhub

Geometry

Prism volume

The cross-section swept along the length of the prism.

The Formula

volume = triangle area x length

The cross-section swept along the length of the prism.

SymbolMeaning
VVolume
ATriangle area
LLength

What Each Symbol Means

Vcubic length units

Volume

The space enclosed by the prism.

Asquare length units

Triangle area

The cross-sectional area.

Lsame length unit

Length

How far the cross-section extends.

See It Worked With Real Numbers

A formula on its own does not tell you which number goes where. The how to calculate the volume of a triangular prism page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.

Where This Formula Appears

This equation is the working core of How To Calculate The Volume Of A Triangular Prism, filed under Math. Every number the guide produces comes from substituting into this one line.