| A | B |
|---|
| polygon | closed figure of 3 or more sides |
| regular polygon | all sides and all angles are congruent |
| diagonal | a segment joining tow non-consecutive vertices in a polygon |
| quadrilaterals | four sided polygons |
| parallelogram | quadrilateral with opposite sides parallel and congruent |
| trapezoid | quadrilateral with one pair of parallel sides |
| rhombus | quadrilateral with all sides congruent |
| rectangle | quadrilateral with all angles congruent and 2 pairs of opposite congruent sides |
| square | quadrilateral with all sides and all angles congruent |
| kite | quadrilateral with adjacent sides congruent and no pairs of parallel sides |
| perimeter | the distance around a figure |
| area | amount of surface, measured in square units |
| volume | measures amount of space occupied by a solid |
| polyhedron | a figure formed of polygonal parts of planes called faces that enclose a region of space |
