Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Skills Handbook - Squaring Numbers and Finding Square Roots - Exercises: 8

Answer

$13$

Work Step by Step

To find out the square root of a number, we must find the number whose square is the original number. Therefore, $\sqrt {169}=13$, because $13^2=169$.
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