math vocab

a composite figure is made up of two or more shapes

the triangular sides of a pyramid are called lateral faces

the height of a lateral face of a pyramid is the slant height

figures with the same shape and size are congruent figures

a pyramid with a square base and four triangular figures is a square pyramid

A right rectangular prism is a three-dimensional figure with congruent bases and right angles between the bases and the sides

a pyramid three dimensional figure that has one polygonal base and triangular sides that meet at a point

a two-dimensional representation of a three-dimensional figure is a net

volume is measured in cubic units

the area of a triangle is one-half the product of its base and its height

The surface area of a three dimensional figure is the sum of the areas of the faces of the figures