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Geometry equations

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yukuzoru's version from 2017-08-31 19:47

Section

Question Answer
Area Trianglebh/2
area trapezoid[(a+b)h/2]
volume cylinderπ r^2 h
s.a. cylinder2 π r h
vol cone(π r^2 h)/3
s.a coneπ r √r^2+h^2
parallelogrambh
vol sphere(4/3) π r^3
s.a. sphere4 π r^2
area ellipsesπ ab
area of a sector (Θr^2)/2
parameter of a sectorr Θ
memorize