algebra

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2. A 10 foot ladder is leaning against a house. The bottom of the ladder is 5 feet from the building. How high is the top of the ladder? Round to the nearest hundredth.

  • algebra -

    Use Pythagorean theorem.

    a^2 + b^2 = hypotenuse^2

    5^2 + b^2 = 10^2

    Solve for b.

  • algebra -

    72

  • algebra -

    a lader that is 10 ft long leans against a building.the bottom of the ladder is 6 ft away from the base of the building .how far up dies the ladder reach?

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