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 - Test - Page 349: 11b


About 5.2 inches

Work Step by Step

The medians of an equilateral triangle split it into six 30 60 90 triangles with a radius for a hypotenuse and an apothem for a short leg. s=2(a$\sqrt 3$) s=2(1.5$\sqrt 3$) s=3$\sqrt 3$$\approx$5.2
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