Geometry: Area and Surface Area

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Some useful formulae for areas of three dimensional objects:
Cube: 6s^2, where s is side
Rectangular box: 2(l*w+l*h+w*h), where l, w, and h are length, width and height
Sphere: 4*pi*r^2, where r is radius of the sphere
Cylinder: 2pi\r\(h+r), where r is radius of the base and h is height

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