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Ch. 8 Geometry

QuestionAnswer
number of sides to one interior angle (n-2)*180/n
measure of one interior angle to number of sides 360/180-int
interior angle sum for ALL polygons (n-2)*180
exterior angle sum for all polygons 360
measure of one int angle to one ext angle 180-int
measure of one ext angle to one int angle 180-ext
number of sides to one ext angle 360/n
measure of one ext angle to number of sides 360/ext
shape with five sides pentagon
shape with six sides hexagon
shape with seven sides heptagon
shape with eight sides octagon
shape with nine sides nonagon
shape with ten sides decagon
shape with 11 sides hendecagon
shape with 12 sides dodecagon
area of a circle a=pi*r^2
circumference of a circle c=2pir^2 or pi*d
area of a sector x/360*pi*r^2
arc length x/360*2pi*r
Created by: I'mtheAlpha
 

 



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