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24 January, 01:50

The bottom of a ladder is placed 4 feet from the side of a building. the top of the ladder must be 13 feet off the ground. what is the shortest ladder that will do the job?

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  1. 24 January, 02:50
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    The ladder, the ground, and the wall form a right triangle.

    The ground and the wall form a right angle, and the ladder is the hypotenuse.

    The legs of the triangle are 4-ft and 13-ft.

    The hypotenuse is

    √ (4² + 13²)

    = √ (16 + 169)

    = √185

    = 13.6 feet
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