Answer
10
Work Step by Step
use the Pythagorean theorem.
$a^{2}+b^{2}=c^{2}$
plug 8 and 10 into the equation
$8^{2}+10^{2}=c^{2}$
solve for c
$8^{2}+10^{2}=12.8^{2}$
10 is given, and 10 is greater than 8. 10 can also be the hypotenuse.
so, c=10
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 10 - Radical Expressions and Equations - 10-1 The Pythagorean Theorem - Practice and Problem-Solving Exercises - Page 603: 38
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