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Home > CC3 > Chapter 9 > Lesson 9.2.6 > Problem 9-139

9-139.

The hypotenuse and one leg of a right triangle are and meters. What is the length of the third side? Homework Help ✎

Use the Pythagorean Theorem.


Substitute for the hypotenuse and for leg 1.


Now simplify.


                    

Take the square root of each side.

meters