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 9 - Section 9.2 - Pyramids, Area, and Volume - Exercises - Page 418: 37a


$ A = \frac{e^2 \sqrt3}{4}$

Work Step by Step

Each side is an equilateral triangle. We know that the area of an equilateral triangle is: $A = \frac{s^2 \sqrt3}{4} = \frac{e^2 \sqrt3}{4}$
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