| A | B |
|---|
| square | A four-sided shape that has four right angles and 4 congruent sides |
| triangle | A three-sided shape. |
| tetrahedron | A pyramid that is made of all triangles. |
| vertex (vertices) | The point where edges of a solid shape meet. |
| rectangular prism | A 3-D shape that has bases and sides that are rectangles |
| rectangle | A four sided shape that has two pairs of parallel sides, and all right angles. |
| quadrilateral | A closed shape formed by four line segments. |
| pyramid | Solid shape that has any base and sides that are triangles |
| parallel lines | Lines that never intersect |
| face | The surfaces that enclose a solid shape. |
| edge | The line segment where faces meet on a solid shape |
| cube | A solid shape that has six congruent square faces. |
| congruent | Exactly the same size and shape |
