A right pyramid is a three-dimensional shape with a polygonal base and triangular lateral faces, in which the apex (vertex) is located directly above the center (centroid) of the base.

Key Parts:

• Polygonal base: a flat polygon (triangle, square, pentagon, etc.)

• Apex (vertex): the point positioned vertically above the base's centroid

• Height (h): perpendicular distance from apex to base centroid

• Slant height (l): distance along a lateral face from the apex perpendicular to an edge of the base

The volume of a right pyramid is given by

where A is the area of the base.