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Geometry Vocab 10

TermDefinition
Bases of a Parallelogram any one of its four sides, usually chosen as the bottom side, from which the height is measured
Height of a Parallelogram The height of a parallelogram is the perpendicular distance between the base and its opposite side, h=A/b
Height of a Trapezoid the perpendicular distance between its two parallel sides, known as the bases
Circumference the total distance around the outside of a circle or curved shape
Arc Length the distance along a curved line, specifically a portion of a circle's circumference, intercepted by a central angle
Sector of a Circle a pie-shaped portion of a disk (the interior of a circle) enclosed by two radii and an arc
Center of a Polygon often called its centroid or center of mass, is the geometric center or "balancing point" of a shape
Radius of a Polygon the distance from its center to any of its vertices (corners)
Apothem of a Polygon line segment from the center of a regular polygon to the midpoint of one of its sides, acting as the radius of the polygon's incircle, it is perpendicular to the side it bisects
Central Angle of a Regular Polygon the angle formed at its center by two radii drawn to adjacent vertices, 360/n
Created by: Violet Snave
 

 



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