| A | B |
|---|
| plane figure | simple closed polygon made up of three or more line segments |
| pentagon | five-sided figure |
| hexagon | six-sided figure |
| octagon | eight-sided figure |
| solid figure | object that takes up space |
| pyramid | solid figure whose base can be any polygon and whose faces are triangles |
| rectangular prism | solid figure with six faces that are rectangles |
| cone | solid that has a circular face and comes to a point called the vertex |
| line | straight path that extends in opposite directions with no endpoints |
| parallel lines | lines that like in the same plane and do not intersect |
| perpendicular | two lines that cross or meet to form right angles |
| intersecting lines | lines that meet or cross at a common point |
| congruent figures | figures that have the same size and the same shape |
| similar figures | figrues that have the same shape but not necessarily the same size |
| slides (translations) | an action that slides a figure in a straight line |
