# Glossary Term Definition rectangular prism A solid figure

```Glossary Term
rectangular prism
Definition
A solid figure that has two pairs of parallel opposite faces and
congruent bases that are all rectangles.
recursive formula
A formula used for determining the next term of a sequence
using one or more of the previous terms.
The subset of a sample space that contains only those
outcomes that satisfy a given condition.
The acute angle formed by the terminal side of an angle in
standard position and the x-axis.
A transformation in which a figure is flipped over a line of
symmetry.
reduced sample space
reference angle
reflection
regression line
regular polygon
A line of best fit.
A polygon that has all sides congruent and all angles congruent.
regular polyhedron
A polyhedron in which the faces are regular congruent
polygons.
regular prism
regular pyramid
A right prism with bases that are regular polygons.
A pyramid whose base is a regular polygon and in which the
segment from the vertex to the center of the base is the altitude.
```