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The base of a ladder leaning against a house is 30ft from the wall. if the ladder reaches 40ft high on the wall , how long is the ladder?

  • Math -

    Since this forms a right-angle triangle, we can use the Pythagorean Theorem.

    a^2 + b^2 = c^2

    30^2 + 40^2 = c^2

    900 + 1600 = c^2

    2500 = c^2

    50 = c

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