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In order to find the SA(surface area) of a three dimensional figure is simply the sum of the areas of all the surfaces of a figure. Formulas: Polyhedron=(FBa)2+(TB0)2+(LRi)2 Cylinder=2pi(RaRa)+2pi(RaH) Sphere=4pi(RR) F=front Ba=back T=top Bo=bottom L=left Ri=right Ra=radius H=height pi=3.14 nn=that number squared

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Q: How do you find the surface area of a 3D figure?
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