What is the perimeter of a rectangle with sides 8 and 5?

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Multiple Choice

What is the perimeter of a rectangle with sides 8 and 5?

Explanation:
Perimeter is the distance around a shape. For a rectangle you have two sides of each length, so with sides 8 and 5 you add them up twice: 8 + 5 + 8 + 5 = 26. Equivalently, 2 × (8 + 5) = 26. That’s why 26 is the correct result. The other numbers would require counting a side more than once or using a different dimension.

Perimeter is the distance around a shape. For a rectangle you have two sides of each length, so with sides 8 and 5 you add them up twice: 8 + 5 + 8 + 5 = 26. Equivalently, 2 × (8 + 5) = 26. That’s why 26 is the correct result. The other numbers would require counting a side more than once or using a different dimension.

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