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# 2D and 3D Geometry Formulas eBook

2D GEOMETRY FORMULAS SQUARE s = side Area: A = s2 Perimeter: P = 4s s s RECTANGLE l = length, w = width Area: A = lw Perimeter: P = 2l + 2w w l TRIANGLE b = ba...

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2D GEOMETRY FORMULAS SQUARE s = side Area: A = s2 Perimeter: P = 4s s s RECTANGLE l = length, w = width Area: A = lw Perimeter: P = 2l + 2w w l TRIANGLE b = ba...