Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 11 - Review Exercises - Page 524: 6


Cosine ratio, $θ \approx 58^{\circ}$

Work Step by Step

1. Find the base of the triangle $= \frac{26-10}{2}$ $= \frac{16}{2}$ $= 8$ ft 2. Find the ratio and angle $cos = \frac{adjacent}{hypotenuse}$ $cos(θ) = \frac{8}{15}$ (Cosine ratio) by GDC / calculator $θ = 57.769...^{\circ}$ $θ \approx 58^{\circ}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.