Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.5 Real Numbers and Their Properties; Clock Addition - Exercise Set 5.5 - Page 310: 78


Three-fold rotational symmetry.

Work Step by Step

Consider the given design. Rotate it with the${{\left( \frac{360}{3} \right)}^{\circ }}={{120}^{\circ }}$. It will be same as original shape. On $3$ such rotations, the same position will achieve. Thus, the given design has three-fold symmetry.
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.