Can you solve the "Hanging Cable" problem, used as an Amazon interview question?

A cable of 80 meters is hanging from the top of two poles that are both 50 meters off the ground. What is the distance between the two poles—to one decimal point—if the center cable is: 20 meters off the ground and 10 meters off the ground.

Presh Talwalker of Mind Your Decisions says the above riddle was used as an Amazon interview question. His video has the answer.

Image: YouTube

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