| A | B |
|---|
| geometry | the study of shapes |
| polygon | a flat, closed shape with three or more straight sides |
| congruent | figures that have the exact same size and shape |
| similar | shapes that look exactly alike except for their size |
| symmetry | exists when something can be split in half and both halves are mirror images of each other |
| rectangle | a polygon having 4 sides and 4 right angles; the opposite sides are equal in length |
| square | a polygon with 4 right angles and four equal sides |
| pentagon | a polygon with 5 sides and 5 angles |
| hexagon | a polygon with 6 sides and 6 angles |
| triangle | a polygon with 3 sides and 3 angles |
| quadrilateral | any polygon with 4 sides |
