## Geometry: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 1 - Tools of Geometry - Get Ready!: 6

13

#### Work Step by Step

Because of PEMDAS, we simplify the exponents first, and then we add. Finally, we square root that number. We have $\sqrt{(5^{2}+12^{2})}=\sqrt {(25+144)}=\sqrt {169}=13$.

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