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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