Home > PC > Chapter 3 > Lesson 3.1.1 > Problem 3-13
3-13.
Find the exact length of
. Express your answer in simple radical form. Use the Pythagorean Theorem. Since both legs are the same length,
. Label these sides . What is the exact value of
? Use the value found in part (a) in the formula:
What is the exact value of
?