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Distance formula
Mid-point Formula
Slope of a line
Equation of a line
y = mx + b
m is slope, b is y-intercept
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
Area of a circle
Circumference of a circle
Equation of a Circle
center: (h,k)
Author
skoolj
ID
227963
Card Set
ACT Math Formulas
Description
ACT formulas to know for math exam
Updated
2013-07-23T22:08:06Z
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