Calculated Industries Construction Master IV - Appendix B: Geometric Formulas

User's Guide — 57
A
PPENDIX
B
Area Formulas
w
l
Rectan
g
le
Area = lw
b
a
Trian
g
le
Area = ab
1
2
S
q
uare
Area = a
a
a
2
r
Circle
Circumference = 2
π
r
Area =
π
r
2
b
a
Ellipse
Area =
π
a
b