Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 5 - Review Exercises - Page 263: 38


The sides are about 6.93 inches long.

Work Step by Step

The altitude of an equilateral triangle splits the shape into two 30 60 90 triangles. Use the relationships between the sides of a 30 60 90 triangle to form the following equation: s=2($\frac{6}{\sqrt 3}$) s=$\frac{12\sqrt 3}{3}$ s=4$\sqrt 3$ s$\approx$6.93
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