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Reference Formulas
formulas from the reference sheet
Question | Answer |
---|---|
triangle area | 1/2 bh |
rectangle/square/parallelogram area | bh |
trapezoid area | 1/2 h(b1 + b2) |
circle area | pi (r^2) |
circumference | pi d |
circumference | 2r pi |
pi | 3.14 or 22/7 |
rectangular prism volume | bwh |
right circular cylinder volume | pi (r^2)h |
right square pyramid volume | 1/3 Bh |
right circular cone volume | 1/3 pi (r^2)h |
rectangular prism surface area | 2bh + 2bw + 2hw |
right circular cylinder surface area | 2 pi rh + 2 pi (r^2) |
polygons' sum of interior angles | 180(n-2) |
pythagorean theorem | (a^2) + (b^2) = (c^2) |
simple interest | prt |
slope-intercept equation of a line | y = mx + b |
distance/rate/time | d = rt |