How do you find the perimeter of a prism

Perimeter of triangle = a + b + c where a, b and c are the three lengths of the triangle.

This would be the perimeter of a rectangular prism formula:

Perimeter of rectangle: 2l + 2w where l is the length of the rectangle and w is the width.

Apply standard perimeter calculations to the base shape of the prism, and that gives you the perimeter.

Step-by-step explanation:

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