Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 11 - Surface Area and Volume - Get Ready!: 2

Answer

8$\sqrt 2$

Work Step by Step

We use the Pythagorean Theorem: $a^{2}$+$b^{2}$=$c^{2}$ $a^{2}$+$4^{2}$=$12^{2}$ $a^{2}$+16=144 $a^{2}$=128 a=8$\sqrt 2$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.