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The cross-section of a prism is the same - it is the same as the shape of the two parallel "bases"; this cross-section can be any shape, not necessarily a rectangle.

Each side of a prism is rectangular, so knowing the formula for a rectangle will help you along to finding the surface area of the prism by helping you to calculate the area of the sides; however, you will still need to be able to calculate the area of the bases (unless it is given to you), for which knowing the area of a rectangle may not (usually will not) help.

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7y ago
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7y ago

It usually will not. A prism is a generic term for a 3 dimensional solid object which is bounded by two congruent polygons which are parallel and aligned. These are called the bases and they need not be rectangles. The polygons are joined together by a set of rectangles. However, knowing the formula for the area of a rectangle is of no help at all for finding the surface areas of the non-rectangular bases.

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Q: How can knowing the formula for the area of a rectangle help you find the surface area of a prism?
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Related questions

What is the surface area of one side of a triangular prism?

It depends on the size of the triangular prism, but depending on the side of the prism you use the triangle area formula to find it or the rectangle area formula to find it.


What is the formula to find the area of the base of a rectangular prism?

If the base is a rectangle, use the formula for the area of a rectangle.


What is the formula for suface area of a rectangle?

The formula for a rectangle is height x width (A=ab)Since you said surface area, I'm pretty sure that you might mean a rectangular prism. To get this, you would need to find the area of each "rectangle side". To do this, you use the first formula, using height (a), width (b), and depth (c). The formula for theSurface Area of a Rectangular Prism = 2ab + 2bc + 2ac


Does a rectangle prism have a curved surface?

Nope - all surfaces are flat on a rectangular prism.


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

It's not.. It may be, depending why, but there isn't a set formula for it. You just use the fundamental rectangle-area formulae & string them together.


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

LxWx2


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?


Is a cube is a rectangular prism?

Although there is a separate formula for it, yes, a cube is technically a rectangular prism, and you can use the rectangular prism's formula, because a rectangle is defined as a quadrilateral with four right angles, which a square is.


What is Ph in the formula for the surface area of a prism?

perpendicular height


What is the prism surface area formula?

S=2B+Ph


What is a rectangle in a solid figure?

A CUBOID or a PRISM.


What is the formula for a rectangle prism for kids?

same as a rectangle, except multiply by height. Area of Base X Height or L*W*H