# Slant height of a right regular pyramid

## Description

Slant height is the height of any slant triangle of the regular pyramid, or the distance from the apex, down the side, to a point on the base circumference of the inscribed regular cone.

Related formulas## Variables

L | Slant height (m) |

h | The altitude of the pyramid or the height of the cone (m) |

r | Inradius of the base (m) |