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8th grade formulas

volume, surface area, area, perimeter

QuestionAnswer
perimeter of a rectangle 2L+2W or 2(b+h)
perimeter of a square 4s
perimeter of a triangle a+b+c
Area of a circle 3.14xr^2
area of parrallelagram bh
area of a rectangle bh
area of a square s2 or bh
area of a triangle 1/2bh
area of a trapazoid 1/2h(b1+b2)
volume of a prism Bh
volume of a rectangular prism Bh or LWH
volume of a cube Bh or LWH or S^3
Volume of a cylinder Bh or 3.14r^2h
Volume of a pyramid 1/3bh
volume of a cone 1/3bh or 1/3x3.14r^2h
Volume of a sphere 4/3x3.14r^3
Surface area of a prism 2B+ph
Surface area of a rectangular prism 2B+ph
Surface area of a cube 2B+ph
Surface area of a cylinder 2x3.14r^2+2x3.14rh
surface area of a regular pyramid B+1/2pe
Surface area of a cone 3.14r^2+3.14rp
Surface area of a sphere 4x3.14r^2
Created by: anna.lowery122
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