| A | B |
|---|
| quadrilateral | polygon with four sides and four angles |
| square | parallelogram with 4 right angles and 4 sides the same length |
| rhombus | parallelogram with four sides equal and opposite angles equal |
| dart | a concave quadrilateral |
| kite | quadrilateral with two distinct pairs of adjacent, congruent sides |
| parallelogram | quadrilateral with opposite sides equal and parallel and opposite angles equal |
| rectangle | parallegram with four right angles |
| trapezoid | quadrilateral with one pair of opposite sides parallel |
