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06-09-2020
Mathematics

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JoAnn covered a square wall using 84.5 square feet of wallpaper. What whole number of feet is the closest to the height of the wall?

Respuesta :

06-09-2020

Answer:

height ≈ 9 feet

Step-by-step explanation:

the wall is a square, so the length and width are equal

l • w = area

l • w = 84.5

l = w

l = √84.5

= 9.19238815543

≈ 9 feet

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