rhombus
A parallelogram with four congruent sides

Example:

right angle
An angle formed by perpendicular lines, line segments. or rays and with a measure of 90°

Example:

right triangle

A triangle with one right angle

Example:

rotation (turn)

A movement of a figure by turning it around a fixed point

Example:

similar figures

Figures with the same shape but not necessarily the same size

Example:

solid figure
A three-dimensional figure
Examples:

sphere		cube
cylinder		rectangular prism
cone		square pyramid