## Algebra 1: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 10 - Radical Expressions and Equations - Chapter Test - Page 657: 3

0.9

#### Work Step by Step

B=4.0,C=4.1.Find A: $a^{2}$+$b^{2}$=$c^{2}$ $a^{2}$+$4.0^{2}$=$4.1^{2}$ $a^{2}$+16=16.81 $a^{2}$=.81 $\sqrt a{^2}$=$\sqrt {.81}$ a=0.9

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