Geometry Formulas

Perimeter of a square

Perimeter of a square

P=4s

Perimeter of a rectangle

P=2L+2w

Circumference of a circle

C=2πr

Area of a parallelogram

A=bh

Area of a rectangle

A=lw

Area of a square

A=s²

Area of a circle

A=πr²

Area of a triangle

A=bh/2

Surface area of any pyramid

SA=B+1/2P

Surface Area of a Cylinder

SA=2πr²+2πrh

Surface Area of a Cone

SA=πrl+πr²

Surface area of a sphere

4πr²

Volume of any prism

V=Bh

Volume of any pyramid

V=Bh/3

Volume of a cylinder

V=πr²h

Volume of a cone

V=πr²h/3

Volume of a sphere

V=4πr³/3

Surface Area of Any Prism

SA=2B+Ph

Area of a trapezoid

A=1/2(b1+b2)h