Find the length of the unknown side. round your answer to the nearest tenth. image of a right triangle with a leg of 4, hypotenuse of 18, and second leg unknown. 16.5 17.5 18.5 22.0

Length of another side is 17.5 unit (Approx.)

Length of one side = 4 unit

Length of hypotenuse = 18 unit

Length of another side

Using Pythagorean theorem;

Length of another side = √18² - 4²

Length of another side = √324 - 16

Length of another side = √308

Length of another side = 17.5 unit (Approx.)

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the answer is 99.