Calculated Industries 4215 - Manual (Page 57)

Area Formulas
Square
A r e a = a 2
Circle
C i r c u m f e r e n c e = 2 π r
Ellipse
Rectangle
A r e a = l w
Triangle
a
a
l
w
a
b
r
b
a
A r e a = π a b
Area = a b —
1
2
A r e a =
π
r 2
User’s Guide – 57