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Topic 3A Quest

Geometry Honors

TermDefinition
Apothem the perpendicular distance from the center to a side of the regular polygon
Perimeter Circle πd or 2πr
Area Circle πr²
Area Circle Sector x/360πr²
Area Trapezoid 1/2( b1+b2) h
Regular Polygon 1/2 (perimeter) (apothem)
Area Scaling Principles (Side1/Side2)²=Area1/Area2
Perimeter Scaling Properties Side1/Side2=Perimeter1/Perimeter2
 



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