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17-01-2019
Mathematics

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The backers are creating an outdoor pergola for their backyard. The pergola has an area of 648 square feet. The width of the pergola is 8/9 it’s lenght. What is the length of the pergola?

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17-01-2019

Answer:

Step-by-step explanation:

Assume the pergola is rectangular.

648 sqft = L ft × W ft

W = 8L/9

648 = L×8L/9

648×9/8 = L^2

L = √(648×9/8) = 27

W = 8×27/9 = 24

W×L= 24×27 = 648✓

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