Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 10 - Radical Expressions and Equations - Mid-Chapter Quiz - Page 619: 1



Work Step by Step

Use the Pythagorean Theorem to find the missing length. $a^2+b^2=c^2\longrightarrow$ substitute the given values $20^2+25^2=c^2\longrightarrow$ simplify exponents $400+625=c^2\longrightarrow$ add $1025=c^2\longrightarrow$ find the square root of each side $\sqrt{1025}=\sqrt{c^2}\longrightarrow$ simplify $32.0=c$
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