Geometry: Common Core (15th Edition)

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

Chapter 1 - Tools of Geometry - 1-5 Exploring Angle Pairs - Lesson Check: 6

Answer

x=15, because the angles are complementary.

Work Step by Step

The diagram shows complementary angles, but the calculation shows supplementary angles. The calculation should be: $4x+2x=90$ $6x=90$ $x=15$
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.