Equations and Formulas

for area, surface area, volume, circumference, etc.

Perimeter of a rectangle

P = 2l + 2w

Area of a rectangle

A = lw

Pythagorean Theorem

a² + b² = c²

Volume of a Cylinder

V = πr²h

surface area of a cylinder

SA = 2πr² + 2πrh

Circumference of a circle

C = 2πr

area of a circle

A = πr²

volume of a cone

V = 1/3 πr²h

Volume of a sphere

V = 4/3 πr³

volume of a cube

V = s³

What is a conical object?

an upside down cone

volume of a trough

V = ½bhl

What is an inverted right circular cone?

Just a upside down cone

surface area of a sphere

SA = 4πr²

Surface area of a cube

SA = 6s²

area of a triangle

A = ½ hl