Sat Math Cheat Sheet Study Guide Graded A+

Sum of Interior Angles of a Polygon {Ans: Sum = (n - 2) * 180 N = number of sides of the polygon}Area of an Equilateral Triangle {Ans: (S^2 (sqrt of 3))/4 s = side length}Mode {Ans: The value that occurs most frequently in a given data set.}Probability Formula {Ans: p = number of favorable outcomes/total number of outcomes}Sin and Cosine {Ans: Sin (x) = Cos( 90 - x) Cos (x) = Sin (90 - x) Sin of an angle = cosine of its complement}Length of an Arc of a Circle {Ans: L = [n/360] 2Ï€R n = central angle R = radius}