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8 March, 23:15

Mike is putting a ladder up against his mothers house to clean the roof. His mothers house is 24 feet tall and he is placing the base of his ladder 7 feet away from the bottom of the house. How long is the ladder he is using

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  1. 9 March, 02:52
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    The length of the ladder is 25 feet.

    Explanation:

    Height of the House, h = 24 feet

    Distance between the house and the ladder, b = 7 feet

    length of the ladder, x = ?

    The house makes 90° with the base of the ladder.

    Using pythagoras theorm,

    x² = h² + b²

    x² = (24) ² + (7) ²

    x = √625

    x = 25

    Therefore, the length of the ladder is 25 feet.
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