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It depends on how many sides are part of the "opening".

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Q: What is the formula for calculating the surface area of an open rectangular prism?
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Related questions

What is the formula for calculating the surface area of a rectangular prism?

2(l*w)+2(w*h)+2(l*h)=surface area


What is the formula for surface area in a rectangular prism?

LxWx2


Surface area of rectangular prism?

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


What is the Formula for calculating weight in a rectangular prism?

W = Volume x weight density


Why is finding the formula of a surface area helpful to a rectangular prism?

I am not sure that a rectangular prism is in any position to care!


Why is the formula for finding the surface area of a rectangular prism helpful?

its not i dont no why


How do you calculate the surface area of a rectangular prism?

Formula: S = 2B + L


Why does the formula for finding the surface area of a rectangular prism is helpful?

There must be a typo in this question, "Why does the formula for finding the surface area of arectangular prism is helpful?" What does that even mean?


What is the formula for find of a box rectangular prism?

The formula will depend on what it is that you are trying to find: the volume or the surface area.


What is the formula of rectangular prism in surface area?

Surface area = 2LW + 2(L+W)H


Formula for rectangular prism?

Depends whether you want the formula for surface area, volume, perimeter, size of sphere it would fit into etc... Please clarify next time.


What is the formula for finding the surface area using 3.14 for rectangular prism?

The formula for finding the surface area of a rectangular prism is 2(wh + lw + lh), where w is width, h is height, and l is length. 3.14 is the value for pi, which is only used for circular objects, like circles, cylinders, and spheres. It has nothing to do with rectangular prisms. Click on the related link below for an illustration of the formula for the surface area of a rectangular prism.