| A | B |
|---|
| Polygon | a closed figure formed by a finite number of coplanar segments |
| Regular Polygon | A convex polygon with all angles and sides congruent |
| Concave Polygon | A polygon with any side, if extended, includes the interior of the polygon |
| Convex Polygon | A polygon such that no line containing the side contains a point inside the polygon |
| Pentagon | A five-sided polygon |
| Heptagon | A seven-sided polygon |
| Quadrilateral | A four-sided polygon |
| Interior Angle Sum Theorem | S = 180(n - 2) |
| n-gon | A polygon with "n" number of sides |
| Exterior Angle Sum Theorem | The sum of the measures of the exterior angles of a convex polygon is 360 |
| Area of a Parallelogram | A = bh |
| Area of a Triangle | A = 1/2 bh |
| Area of Trapezoid | A = 1/2 h(base1 + base2) |
| Area of a Rhombus | A = 1/2 (diagonal1*diagonal2) |
| Apothem | A segment drawn from the center of a regular polygon perpendicular to a side |
| Area of a Regular Polygon | A = 1/2 Pa |
| Area of a Circle | A = pi r squared |
| Network | A diagram consisting of points,called nodes, & edges that join various nodes to one another |
| Graph Theory | The study of networks |
| Nodes | In graph theory, the points of a network |
| Traceable Network | A network in which all nodes can be connected and each edge can be covered exactly once |
| Incomplete network | A network in which not all pairs of nodes are connected |
| Sector of a Circle | A region of a circle bounded by a central angle and its intercepted arc |
| Area of a Sector of a Circle | A = N/360 * pi * radius squared |
