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Equation of a line
 y = mx + b
 m is slope, b is yintercept

Pythagorean Theorem
 For right triangles only
 a and b are short sides
 c is hypotenuse

Area of Triangle
Area = 1/2 (base)(height)

Trig functions
 SOH CAH TOA
 sin=opposite/hypotenuse
 cos=adjacent/hypotenuse
 tan=opposite/adjacent


Circumference of a circle

Equation of a Circle
center: (h,k)

