| A | B |
|---|
| congruent | figures that are the same shape and size |
| circle | figure with no sides |
| parallel | 2 lines that are always the same distance apart |
| radius | line segment that extends from the center of a circle to one side of the circle |
| square | quadrilateral with 4 equal sides |
| similar | figures that have the same shape but different |
| equilateral | triangle with 3 equal sides |
| diameter | line segment that passes through the center ofa circle and to both edges of the circle |
| traingle | 3 sided figure |
| isosceles | triangle with 2 equal sides |
| parallelogram | quadrilateral with both pairs of opposite sides parallel to each other |
| scalene | triangle with no equal sides |
| trapezoid | quadrilateral with only 2 parallel sides |
| perpendicular | 2 lines that intersect to form right angles |
| acute | an angle with measures less than 90 degrees |
| quadrilaterial | 4 sided figure |
| obtuse | an angle that measures more than 90 degrees and less than 180 degrees |
| right | triangle with one 90 degree angle |
| rhombus | parallelogram with 4 equal sides |
| rectangle | parallelogram with right angles |
