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Q: How do you find the surface area of a rectanguar prism?

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the defnition of find the surface area of triangular prism and cylinder

Surface area of the triangle x the length of the prism.

Do you multiply the area

Do you multiply the area

You will need to find the surface area of each face and add them together.

surface area of a rectangular prism is the formula: 2lw+2wh+2lh

To find the surface area of an equilateral triangular prism you take the area of the rectangular sides and the triangular bases and add them up and your done.

The Surface area of a triangle = 0.5*base*height The volume of a prism = area of its cross-section*length

get a maths book!!

Surface Area = 2 × Base Area + Base Perimeter × Length

Find the area of each face and add them all up.

You cannot.

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