| A | B |
|---|
| quadrilateral | closed 4 sided figure - no parallel lines |
| 360 | degrees in a quadrilateral |
| square | parallelogram with congruent sides and angles |
| rhombus | parallelogram with congruent sides |
| rectangle | parallelogram with 4 congruent sides |
| parallelogram | quadrilateral with 2 pairs of parallel sides |
| trapezoid | quadrilateral with one pair of parallel sides |
| acute | angle with a measurement less than 90 degrees |
| obtuse | anlgle over 90 degrees |
| vertex | enpoint of 2 rays |
| congruent | figures with the same size and shape |
| right angle | 90 degrees |
| triangle | 3 line segments that intersect at their endpoints |
| complementary angle | angles that add up to be 90 degrees |
| supplementary angle | sum of the angles is 180 degrees |
| alternate interior angle | nonadjacent interior angles on opposite sides of the transversal |
| transversal | when 2 parallel lines are intersected by a third line, the third line is called this |
| alternate exterior angle | non adjacent exterior angles found on oposite sides of the transversal |
