Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 7 - Section 7.3 - More about Regular Polygons - Exercises - Page 343: 15


r=16 s=16$\sqrt 3$

Work Step by Step

The apothem of an equilateral triangles forms the short leg of a 30 60 90 triangle with a radius for a hypotenuse, and half of a side for a long leg. r=2a r=2(8) r=16 s=2(a$\sqrt 3$) s=16$\sqrt 3$)
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