### Home > ACC7 > Chapter 10 Unit 11 > Lesson CC3: 10.1.2 > Problem 10-28

10-28.

Find the length of the side labeled in each of the right triangles pictured below. Identify each answer as a rational or irrational number.

Use the Pythagorean Theorem.

Substitute the values that are given.Solve by isolating

.

Take the square root of each side to get the answer.

Substitute the values that are given.

Now solve for.

See part (a).