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Geometry Equations

Different equations for geaometry

QuestionAnswer
(n-2)180 sum of interior angles
(n-2)180/n each interior angle of a regular polygon
360 sum of exterior angles
360/n each exterior angle regular polygon
Side length of poly1/Side length of poly2 Similar ratio or scale factor via sides
Perimeter of Poly1/Perimeter of poly2 Similar ratio or scale factor via perimeter
Area of poly1/Area of poly2 a^2/b^2 Similar ratio or scale factor via area
A= 1/4 (squareroot of 35) ^2 Area of triangle
A= 1/2 aP Area of Polygon
2(pie)r Circumference
(pie)r^2 Area of a circle
Arc length/2(pie)r = arc measure (degrees)/360 measure of sector
area sector/(pie)r^2 = arc measure/360 measure of circumference
Created by: azn712dude
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