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

9-139.

The hypotenuse and one leg of a right triangle are

Use the Pythagorean Theorem.

Substitute

Now simplify.

Take the square root of each side.

9-139.

The hypotenuse and one leg of a right triangle are

Use the Pythagorean Theorem.

Substitute

Now simplify.

Take the square root of each side.