Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 36 - Think and Explain - Page 698-699: 48



Work Step by Step

Form a triangle, as in Figure 36.14, and place the sun just outside one of the lines connecting the 3 vertices. That leg will be warped to bend slightly inward, and the sum of the interior angles will be less than $180^{\circ}$.
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