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The area of a rectangle is 84 square inches. Its length and width are both whole numbers. What is the minimum perimeter of the rectangle? What is the maximum perimeter of the rectangle?

Respuesta :

princessalane
Write all pairs of numbers that multiply to be 84. Then add the two numbers and double to get perimeter. See which is largest and smallest. 

1 x 84 
2 x 42 
3 x 28 
4 x 21 
6 x 14 
7 x 12

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