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 11 - Review Exercises - Page 532: 19


$sin(s)= \frac{1}{2}$

Work Step by Step

We know that for a 30 60 90 triangle, the ratio of the lengths of the sides is 1:2: $\sqrt{3}$. We know that the $\sqrt{3}$ side is adjacent to the 30 degree angle, so: $sin(s)= \frac{o}{h}$ $sin(s)= \frac{1}{2}$ To draw this, use a protractor to create a right triangle with angles of 30, 60, and 90 degrees.
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