A cable rigging must be run from the ground through the top of a guidepost 8 feet high, and continue in a straight line to the face of a building that stands 16 feet from the post along the ground.
If the length of the cable is to be minimized, what angle θ should it make with the face of the building?

Question

A cable rigging must be run from the ground through the top of a guidepost 8 feet high, and continue in a straight line to the face of a building that stands 16 feet from the post along the ground.
If the length of the cable is to be minimized, what angle θ should it make with the face of the building?

anonymous · Answer

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anonymous · Answer

I got arctan (cuberoot(16/18)
But it's wrong so...

anonymous · Answer

Did u find a function that gives the length of the cable ?

anonymous · Answer

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