Perimeter, Area, & Volume Equations

Perimeter of a Rectangle

P = ?

P = 2(L + W)

Perimeter of a Square

P = ?

P = 4a

Circumference of a Circle

C = ?

C = π x d

or

C = 2πr

Pythagorean Theorem

a² + b² = c²

Area of a Square

A = ?

A = L²

^or

^{A = L x L}

Area of a Rectangle

A = ?

A = L x W

Area of a Triangle

A = ?

A = ½ bh

Area of a Trapezoid

A = ?

A = ½ (b₁ + b₂) h

Area of a Rhombus

A = ?

A = ½ (d₁ x d₂)

Area of a Circle

A = ?

A = πr²

Area of an Ellipse

A = ?

A = πab

Volume of a Cube

V = ?

V = s³

Volume of a Rectangular Prism

V = ?

V = L x W x H

Volume of a Rectangular Pyramid

V = ?

Volume of a Triangular Prism

V = ?

Volume of a Cylinder

V = ?

V = πr²h

Volume of a Cone

V = ?

Volume of a Sphere

V = ?