| A | B |
|---|
| equilateral triangle | has three congruent sides |
| isosceles triangle | hasat least two congruent sides |
| scalene triangle | has no congruent sides |
| trapezoid | a uadrilateral with one pair of parallel sides |
| rectangle | is a paralellagram with four congruent sides |
| paralellagram | a quadrlateral with two pairs of parallel sides |
| rhombus | a paralellagram with four congruent sides |
| square | is a parallelogram with four congruent angles and four congruent sides |
