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help1234567 help1234567
  • 05-07-2016
  • Mathematics
Answered

If an 8-foot ladder is placed 3 feet from the wall, what is the approximate height it will reach on the wall? 7 feet 5 feet 11 feet

Verified Answer :

TheRapture
TheRapture TheRapture
  • 05-07-2016

7 feet is the answer

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olemakpadu
olemakpadu olemakpadu
  • 05-07-2016

The figure forms a right angled triangle, with hypotenuse = 8, distance from the wall = 3, let the height be x.

x² + 3² = 8²

x² + 9 = 64

x² = 64 -9

x² = 55

x = √55

x ≈ 7.42 feet.

So it is ≈ 7 feet.

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