Calculated Industries ConcreteCalc - Area Formulas

Area Formulas
Square
Area = a
2
Circle
Circumference = 2 π r
Ellipse
Rectangle
Area = lw
Triangle
a
a
l
w
a
b
r
b
a
Area = π a b
Area = a b
—
1
2
Area = π r
2
User’s Guide – 57