| A | B |
|---|
| Angle | The space between two meeting lines or surfaces. |
| Congruent | Figures that are identical in shape or size. |
| Equilateral | Having all sides equal in length. |
| Face | One of the surfaces of a 3-D object. |
| Heptagon | A seven-sided polygon. Polygon is a plane figure having three or more sides. |
| Hexagon | A six-sided polygon. |
| Isosceles Triangle | A triangle, which has two equal side lengths. |
| Octagon | An eight-sided polygon. |
| Pentagon | A five-sided polygon. |
| Quadrilateral | A polygon with four sides. |
| Scalene | A triangle with no equal sides. |
| Symmetry | The repetition of exact parts facing each other like reflected in a mirror. |
| Tessellation | The repeating of a pattern so that all of the shapes fit together perfectly with no spaces. |
| Vertex | The point where the sides of a polygon or the faces of a solid meet together. |
