Area of a Triangle - b (h) / 2, Area of a rectangle - l ( w), Area of a square - s2, Area of a trapezoid - 1/2 (b1 + b2) (h), Area of a parallelogram - b (h), Area of a circle - 3.14 (r2), Circumference of a circle - 3.14 (d), Circumference - Distance around the outside of a circle, Volume of a rectangular prism - l (w) (h), Surface area - Area of all the faces of a 3-D figure, Parallelogram - two dimensional figures with two pairs of parallel sides, Isosceles triangle - triangle with two sides that are the same, Scalene triangle - triangle with no equal sides, Obtuse angle - angle larger than 90 degrees, complementary angles - angles who's sum is 90 degrees, supplementary angles - angles who's sum is 180 degrees, volume of a triangular prism - (b)(h)/2 x h, how many days until Easter? - 4,

Formulas, area, surface area, and volume

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