| A | B |
|---|
| polygon | a closed flat figure with straight lines |
| quadrilateral | a polygon with four sides |
| closed figure | a figure that begins and ends at the same point |
| circle | a flat round shape |
| right angle | a 90 degree angle - shaped like a capital L |
| trapezoid | a quadrilateral with one pair of parallel sides |
| parallelogram | a quadrilateral with 2 pairs of parallel sides |
| rectangle | a parallelogram wtih four right angles |
| square | a rectangle with 4 equal sides |
