Geometry: Common Core (15th Edition)

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

Chapter 1 - Tools of Geometry - 1-3 Measuring Segments - Practice and Problem-Solving Exercises: 12

Answer

24

Work Step by Step

According to the Segment Addition Postulate, $RS+ST=RT$. So, if $RS=15$ and $ST=9$, we substitute these values into the equation to obtain that $RT=15+9=24$.
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.