Answer
$\overline{DE}=12$
Work Step by Step
Let $b = \overline{DE}$
$13^{2} = 5^{2}+ b^{2}$
Isolate $b$
$13^{2}-5^{2}=b^{2}$
$169-25=b^{2}$
$144=b^{2}$
Square root each side
$12=b$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 5 - Section 5.4 - The Pythagorean Theorem - Exercises - Page 252: 8a
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
