Pyramid Cone Sphere

Pyramid

Does not have uniform cross section.

Volume = (1/3) x Base Area x h

cone

Radius and Height are Perpendicular to each other.

Curved Surface Area = πrl

Total Surface Area = πrl + πr²

Volume = (1/3) πr²h

Sphere

Curved Surface Area = 4πr²

Volume = (4/3) πr³