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The formula for the perimeter of a rectangular prism is 2(length + width) + 2(length + height) + 2(width + height). This formula calculates the total distance around the three-dimensional shape by adding the distances of all the edges. The perimeter is important for determining the amount of material needed to enclose the rectangular prism or for calculating the distance around it.

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5mo ago

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If by perimeter you mean the sum of all the sides, there is no formula. If there were to be a formula it would be harder to understand at the educational level that asks such a question than to just add the sides one by one.

or

let x be the width and y be the breadth of the base rectangle.

perimeter=8x+4y

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Wiki User

14y ago
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Q: What is the formula for a perimeter of a rectangular prism?
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