Two Fences, a Distance of D = 16 Feet Apart

question 121

Essay

Two fences, a distance of d = 16 feet apart are to be constructed so that the first fence is a height of h = 2 feet high and the second fence is higher than the first. What is the length of the shortest pole that has one end on the ground, passing over the first fence and reaches the second fence? See figure.

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