How can we help?

You can also find more resources in our Help Center.

Perimeter of Rectangle

P=2b +2h

Perimeter of Square

P=4s (side length)

Area of Rectangle & Parallelogram

A=bh

Area of Square

A=s^2

Area of Triangle

A=1/2bh

Area of Trapezoid

A=1/2(b1 + b2)h

Area of Rhombus & Kite

A=1/2(d1d2)

Area of Circle

A=πr^2

Regular polygon

A=1/2aP

Surface area of Prism

S= Ph + 2B

Surface area of Cube

S=6s^2

Surface area of Cylinder

S=2πrh + 2πr^2

Surface area of Pyramid

S=1/2Pl + B

Surface area of Cone

S= πrl + πr^2

Surface area of Sphere

S=4πr^2

Volume of Prism

V= Bh

Volume of Cube

V=s^2

Volume of Cylinder

V=πr^2h

Volume of Pyramid

V=1/3Bh

Volume of Cone

V=1/3πr^2h

Volume of Sphere

V=4/3πr^3

Sine

sinA= opposite leg/hypotenuse

Tangent

tanA= opposite leg/adjacent leg

Cosine

cosA= adjacent leg/hypotenuse