AP Physics C Equations (Geometry and Trig)

Area of a rectangle:

A = bh

Area of a triangle:

A = ½ bh

Area of a circle:

A = πr²

Circumference of a circle:

C = 2πr

Arc length of a circle:

s = rθ

Volume of a rectangular solid:

V = lwh

Volume of a cylinder:

V = πr²l

Surface Area of a Cylinder:

S = 2πrl + 2πr²

Volume of a sphere:

V = ¾ πr³

Surface Area of a Sphere

S = 4πr²

Pythagorean Theorem:

a² + b² = c²

sinθ =

a/c

cosθ =

b/c

tanθ =

a/b