| A | B |
|---|
| Base | a special face in a 3D figure |
| Circle | a set of points equal distant from the center point |
| Edge | the segment where two faces meet |
| Face | a flat surface of a solid |
| Geometry | the math of shapes, lines, and points |
| Heptagon | a 7 sided polygon |
| Hexagon | a 6 sided polygon |
| Irregular Polygon | a polygon with side of different lengths |
| Line | extends forever in both directions |
| Octagon | an 8 sided polygon |
| Parallel Lines | non-intersecting lines |
| Parallelogram | a quadrilateral with 2 pair of parallel sides |
| Pentagon | a 5 sided polygon |
| Perpendicular Lines | 2 intersecting lines at a right angle |
| Polygon | any closed figure of straight lines |
| Polyhedron | a solid formed by many flats |
| Quadrilateral | any 4 sided closed figure |
| Ray | has an endpoint and extends forever |
| Rectangle | a parallelogram with 4 right angles |
| Regular | a polygon with all sides congruent |
| Rhombus | a quadrilateral with 4 equal sides |
| Segment | has two end points |
| Square | 4 equal sides, 4 right angles |
| Trapezoid | a quadrilateral with 1 pair of parallel sides |
| Triangle | a 3 sided polygon |
| Vertex | the points where the edges meet |
