Answer
$64^{\circ}; 26^{\circ}$
Work Step by Step
1. Complementary angles add up to 90 degrees
$(5x-1)+(2x)=90$
2. Solve for x:
$7x-1=90 $
$7x=91$
$x=13$
3. Replace x to find angles :
$5(13)-1=64 ^{\circ}$
$2(13)=26^{\circ}$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 1 - Quiz (Sections 1.1-1.2) - Page 21: 3
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