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paralellograms
geometry
| Term | Definition |
|---|---|
| quadrilateral | a convex, 4 sided, closed polygon. |
| consecutive/adjacent sides | sides in a polygon that share a vertex |
| parallelogram | opposite sides are parallel and congruent; opposite angles are congruent |
| rectangle | opposite sides are parallel and congruent; all four angles are congruent right angles |
| square | opposite sides are parallel; all sides are congruent; all angles are congruent right angles |
| rhombus | opposite angles are congruent; diagonals bisect at right angles; opposite sides are parallel; all sides are congruent |
| trapezoid | bottom angles are congruent; top angles are congruent; top and bottom sides are parallel; legs are congruent |
| kite | consecutive sides are congruent; diagonals bisect at right angles; no parallel sides |
| area of a parallelogram | base times height or b*h |
| area of a rectangle | length times width or l*w |
| area of a square | side times side or s^2 |
| area of a rhombus | base times height or b*h |
| area of a trapezoid | 1/2 h(B1+B2) |
| area of a kite | (D1*D2)/2 |