Prism Volume
V = B·H
Prism SA
SA = Ph+(2B)
Pyramid Volume
V = (1/3)Bh
Pyramid SA
SA = (1/2)Pl+B (l = slant height)
Cylinder Volume
V = πr²h
Cylinder SA
SA = 2πrh+2πr²
Full Sphere Volume
V = (4/3)πr³
Semi Sphere Volume
V = (2/3)πr³
Full Sphere SA
SA = 4πr²
Semi Sphere SA
SA = 2πr² + πr²
Cone Volume
V = (1/3)πr²h
Cone SA
SA = πrl + πr² (l = slant height)
Frustum SA
SA = πrl - πrl + πr² + πr² (b-s+B+B) (l = slant height)
Euler’s Formula for Polyhedrons
V + F - E = 2
Area of a Polyhedron
1/2ap (a = apothem)
Altitude
Orthocenter
Perpendicular Bisector
Circumcenter
Median
Centroid
Angle Bisector
Incenter
AOPBCMCABI
Altitude Orthocenter Perpendicular Bisector Circumcenter Median Centroid Angle Bisector Incenter