RECTANGULAR CALCULATIONS
Area (a) = Length (l) times Width (w)
a = lw
Volume (v) = Area (a) times height (h)
v = ah
v = lwh
CIRCULAR AND CYLINDRICAL CALCULATIONS
Circumference (c) = pi Diameter (d)
c = πd
Diameter (d) = 2 x Radius (r)
d = 2r
c = π2r
(also written as 2πr but since it's all multiplication, it equates to the same thing)
Area of a circle (a) = pi Radius squared
a = πr2
Volume of a cylinder (v) = pi Radius squared times height
v = πr2h
π2
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