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QuestionAnswer
law of cos c2=a2+b2-2*a*c*cos(C)
sum of polygons interior angle 180(n-2)
central angle 360/n
one interior angle 180(n-2)/n
all exterior angles sum up to 360
area of a circle Tr2
circumference of a circle 2Tr
sector a portion of a area
arc the crust of the pizza
Created by: irishdancer09
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