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help123please.

  • 2 years ago

A 20-foot ladder is leaning against the side of a building. The bottom of the ladder is 4 feet from the wall. How many feet above the ground does the ladder touch the wall? ANSWER CHOICES A. 16 FT B. √384 FT C. 12 FT D. √ 416 FT

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  1. ghazi
    • 2 years ago
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    |dw:1363217934200:dw|\[(20)^2=4^2+x^2\]

  2. help123please.
    • 2 years ago
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    Thanks.

  3. ghazi
    • 2 years ago
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    :D YW

  4. help123please.
    • 2 years ago
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    let me try to solve this.

  5. ghazi
    • 2 years ago
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    sure :)

  6. help123please.
    • 2 years ago
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    Hmm.

  7. ghazi
    • 2 years ago
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    what?

  8. help123please.
    • 2 years ago
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    let me give u the available answer choices

  9. help123please.
    • 2 years ago
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    I think its B

  10. ghazi
    • 2 years ago
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    400=x^2+16 400-16=x^2 x=19.59

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