SOLUTION: Two vertical ropes have heights 6ft and 12 ft. a rope is stretched from the top of each pole to the bottom of the other. How far above the ground do the ropes cross?

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Question 484568: Two vertical ropes have heights 6ft and 12 ft. a rope is stretched from the top of each pole to the bottom of the other. How far above the ground do the ropes cross?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Strangely, this is the same solution as parallel resistors or flow problems.
h = product/sum = 6*12/(6+12) = 72/18
h = 4 ft