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| Term | Definition |
|---|---|
| apothem | in a regular polygon, a perpendicular segment from the center of the polygon to a side of the polygon |
| sector of a circle | the region between two radii of a circle and the included arc |
| segment of a circle | the region between a chord of a circle and the included arc |
| annulus | the region between two concentric circles |
| area of a parallelogram | base×height |
| area of a triangle | 1/2 base×height |
| area of a trapezoid | 1/2 (base₁+ base₂) height |
| area of a kite | 1/2 (diagonal₁+ diagonal₂) |
| area of a regular polygon | 1/2 (apothem) (side) (number of sides) or 1/2 (apothem) (perimeter) |
| area of a circle | pi (r)² |
| area of a sector | a/360×pi (r)² |
| area of a segment | a/360× pi (r)²-1/2 base×height |
| area of a annulus | pi (R)²- pi (r)² |
| Terms | 13 |
| Creator | karategirl |
| Created | February 1, 2009 |
| Group | MPCS Sophomores |
| Subjects | None |
| Access | Anyone |
| Edit | Creator Only |
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