Answer
Yes
Work Step by Step
$(7/9)^2 + (24/9)^2 = (25/9)^2$
$49/81 + 576/81 = 625/81$
$81*(49/81 + 576/81 = 625/81)$
$49 + 576 = 625$
$625 = 625$
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 - 10-6 Trigonometric Ratios - Mixed Review - Page 639: 56
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