Measurement Formulas [.pdf] - Cheat Sheet

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Measurement Formulas [.pdf] - Cheat Sheet

Measurement FormulasA graphical list of the formulas for measurement concepts. Print this page forreference.ShapesFormulaRectangle:Area = Length X WidthA = lwPerimeter = 2 X Lengths + 2 X WidthsP = 2l + 2wParallelogramArea = Base X Heighta = bhTriangleArea = 1/2 of the base X the heighta = 1/2 bhPerimeter = a + b + c(add the length of the three sides)TrapezoidPerimeter = area + b1 + b2 + cP = a + b1 + b2 + cCircleThe distance around the circle is acircumference. The distance across the circle isthe diameter (d). The radius (r) is the distancefrom the center to a point on the circle. (Pi =3.14)d = 2rc = pd = 2 prA = pr 2(p=3.14)Rectangular SolidVolume = Length X Width X HeightV = lwhSurface = 2lw + 2lh + 2whPrismsVolume = Base X Heightv=bhSurface = 2b + Ph (b is the area of the base P isthe perimeter of the base)


CylinderVolume = pr 2 x heightV = pr 2 hSurface = 2p radius x heightS = 2prh + 2pr 2PyramidV = 1/3 bhb is the area of the baseSurface Area: Add the area of the base to thesum of the areas of all of the triangular faces.The areas of the triangular faces will havedifferent formulas for different shaped bases.ConesVolume = 1/3 pr 2 x heightV= 1/3 pr 2 hSurface = pr 2 + prsS = pr 2 + prs=pr 2 + prSphereVolume = 4/3 pr 3V = 4/3 pr 3Surface = 4pr 2S = 4pr 2

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