College Algebra 9th txtbk

APPENDIX C GEOMETRIC FORMULAS A-31
Z Circle
R Radius
D Diameter
D 2R
D
A R 2 1 4 D2
C 2R D
C
D
3.141 59
Area
Circumference
For all circles
R
Z Rectangular Solid
V abc
T 2ab 2ac 2bc
Volume
Total surface area
c
a
b
Z Right Circular Cylinder
R Radius of base
h Height
V R 2 h
S 2Rh
T 2R(R h)
Volume
Lateral surface area
Total surface area
h
R
Z Right Circular Cone
R Radius of base
h Height
s Slant height
V 1 3 R 2 h
Volume
h
s
S Rs R2R 2 h 2
T R(R s) R(R 2R 2 h 2 )
Lateral surface area
Total surface area
R
Z Sphere
R Radius
D Diameter
D 2R
D
R
V 4 3 R 3 1 6 D3
Volume
S 4R 2 D 2
Surface area