| A | B |
|---|
| Polygon | a flat shape having 3 or more sides |
| Quadrilateral | A polygon with 4 sides |
| trapezoid | a quadrilateral with at least 2 parallel sides |
| parallelogram | a quadrilateral with opposite sides that are parallel |
| rectangle | A quadrilateral with 4 right angles and opposite equal and parallel sides |
| rhombus | a parallelogram with 4 equal sides |
| square | a quadrilateral with 4 congruent sides and 4 right angles |
| congurent | equal |
| parallel | lines that stay the same distance apart |
| perpendicular | lines that form a right angle |
