Question: A solar furnace uses a parabolic reflector to direct the suns rays to a common focal point. The largest solar furnace in the world, located

A solar furnace uses a parabolic reflector to direct the sun’s rays to a common focal point. The largest solar furnace in the world, located in Odeillo, France, has a parabolic reflector with a vertical cross section that measures 130 ft high and 17.9 ft deep. Find the focal length (the distance between the vertex and the focus).

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