| A | B |
| face | a flat surface of a solid figure |
| edge | the line segment at which two faces of a solid figure meet |
| vertex | a point where three or more faces intersect |
| base | one of the two parallel and congruent faces |
| surface | the boundary of a 3-dimensional figure |
| nets | a 2-dimensional shape that can be folded into a 3-dimensional figure is a net of that figure |
| perpendicular | forming right angles |
| 3-dimensional | existing in 3 dimensions; havving length, width, and height |
| 2-dimensional | existing in 2 dimensions; having length and width |
| vertices | plural form of vertex |