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Trigonometry Application Word Problems and Pythagorean Theorem

A radio station is going to construct a 12 foot tower for a new antenna on top of a tall building. The tower will be supported by three cables, each attached to the top of the tower and to points on the roof of the building which are 5 feet from the base of the tower. What is the total length of these three cables? 39 feet

Can you explain how I get this answer by taking me though every step?

Solution Summary

The Pythagorean theorem is used to solve a word problem.