Geometry formulas: Perimeter: Perimeter of a square: s + s + s + s s:length of one side Perimeter of a rectangle: l + w + l + w l: length w: width Perimeter of a triangle: a + b + c a, b, and c: lengths of the 3 sides Area: Area of a square: s × s s: length of one side Area of a rectangle: l × w l: length w: width Area of a triangle: (b × h)/2 b: length of base h: length of height Area of a trapezoid: (b1 + b2) × h/2 b1 and b2: parallel sides or the bases h: length of height volume: Volume of a cube: s × s × s s: length of one side Volume of a box: l × w × h l: length w: width h: height Volume of a sphere: (4/3) × pi × r3 pi: 3.14 r: radius of sphere Volume of a triangular prism: area of triangle × Height = (1/2 base × height) × Height base: length of the base of the triangle height: height of the triangle Height: height of the triangular prism Volume of a cylinder:pi × r2 × Height pi: 3.14 r: radius of the circle of the base Height: height of the cylinder Have any questions about the basic math formulas? Send me an email at charlescool4@yahoo and ask me any questions you want about these basic math formulas . Related topics: Basic math test Basic math worksheets
Posted on: Sat, 02 Nov 2013 13:47:16 +0000
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