Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 6 - Section 6.2 - More Angle Measures in the Circle - Exercises - Page 294: 4



Work Step by Step

$\frac{m\angle RST}{90}$=$\frac{1}{5}$ 5m$\angle$RST=90 m$\angle$RST=18$^{\circ}$ RT=2m$\angle$RST RT=36$^{\circ}$
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