Appendix B
Some Geometric Formulas
1. Triangle
A
=
2. Parallelogram
A = ab
3. Circle
Circumference
C
= 2π
r
Area
A
= πr
2
4. Sphere
Surface = 4πr
2
Volume =
r
3
5. Right Circular Cylinder
Side Surface = 2
πrh
Total Surface = 2π
r
(
r
+
h
)
Volume =
πr
2
h
6. Right Circular Cone
7. Pyramid
8. Rectangular Box
r3
