Pre-Calc H Geometry Formulas to Memorize

Area of a Square

A=s2

Perimeter of a Square

P=4s

Volume of a Square

V=s3

Area of a Circle

A=𝝿r2

Circumference of a Circle

C=2𝝿r

Diameter

D=2r

Radius

r=1/2d

Area of a Triangle

1/2bh

Pythagorean Theorem(Right Triangles Only)

C2=A2+B2

Volume of a Cone

V= 1/3𝝿r2h

Lateral Area(doesnt include top or bottom)

LA=2𝝿rh

Surface Area(Does include top or bottom)

SA=2𝝿rh+2𝝿r2

Volume

V=𝝿r2h

Surface area of a sphere

SA=4𝝿r2

Volume of a Sphere

V=4/3𝝿r3

surface area of a cube

SA=6a2