SOLUTION: Mr. Buyea has to carpet a rectangular room. The length of the room is 1.4 times its width. If the length of a diagonal of the room is 70feet, find the area of the floor to the near

Algebra ->  Trigonometry-basics -> SOLUTION: Mr. Buyea has to carpet a rectangular room. The length of the room is 1.4 times its width. If the length of a diagonal of the room is 70feet, find the area of the floor to the near      Log On


   



Question 792851: Mr. Buyea has to carpet a rectangular room. The length of the room is 1.4 times its width. If the length of a diagonal of the room is 70feet, find the area of the floor to the nearest ten square feet
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(1.4x)^2+(x)^2=70^2
1.96x^2+x^2=4900
2.96x^2=4900
x^2=4900/2.96
x^2=1655
sqrt1655=41
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1.4x=57.4
x=41
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41*57.4=2353.4=2,350 sqft