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12-02-2021
Mathematics

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The perimeter of a rectangle is 42 inches if the width of the rectangle is 6 inches, what is the length?

12 inches
15 inches
21 inches
40 inches

Respuesta :

12-02-2021

Answer:

15 inches

Step-by-step explanation:

Perimeter is 2l + 2w (or l+l+w+w)

Start by subtracting: 42 - 12. The 12 is from 2•6 for both width sides.

42-12=30

Divide 30 by 2 to find the length for one side. 30 ÷ 2 = 15

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