Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 8 - Geometry - Test - Page 620: 23

Answer

The unknown length is $9.2$ cm long.

Work Step by Step

1. Use the Pythagorean Formula to solve for the missing length $a^{2} + b^{2} = c^{2}$ $c^{2} = 7^{2} + 6^{2}$ $c^{2} = 49 + 36$ $c^{2} = 85$ $c = \sqrt 85$ $c = 9.2195...$ cm $c = 9.2$ cm
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