Volumes Calculate Settings
Dimensions of base
a = , b = , c =
Height
h =
Base perimeter
P = a + b + c
Semiperimeter
p = 0.5·P
Area of base (Heron equation)
A = p·(p – a)·(p – b)·(p – c)
Volume
V = A·h
Surface area
S = 2·A + h·P
The sum of each two sides must be greater than the third.