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Answer:
if you need the formula of a rectangle it is: l x h.
If you need the formula for a triangle it is: b x h divided by 2.
and if you need the formula for a cylinder it is 2(3.14) (r) ( r + h )
Explanation:
In order to find the surface area of a figure, you just need to find the area of each face using area formulas and add all the areas of the faces together. For specific shapes like cubes or prisms, a surface area formula is already given and you can use it in order to find the surface area easily.