Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 7 - Test - Page 339: 15b

Answer

AD =8 inches

Work Step by Step

Diagonal AD splits the hexagon into 2 isoceles trapezoids. Draw diagonals FB and EC to observe that AD equal the sum of BC and 2 short legs of 30 60 90 triangles. The legs are equal to one half of their correspond hypotenuses which would be 4/2=2. AD=4+2+2 AD=8
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