For a crane to lift the beam shown to the​ right, the beam and the two support cables must form an isosceles triangle with height h. If the distance between the cables along the beam is 18 ft and the height h is 8​ ft, what is the total length of​ the two cables?

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For a crane to lift the beam shown to the​ right, the beam and the two support cables must form an isosceles triangle with height h. If the distance between the cables along the beam is 18 ft and the height h is 8​ ft, what is the total length of​ the two cables?

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