Answer
$a=5$ cm
$b=5$ cm
Work Step by Step
$\cos45=\frac{b}{5\sqrt2}$
$5\sqrt2\times\cos45=b$
$b=5$
$\sin45=\frac{a}{5\sqrt2}$
$5\sqrt2\times\sin45=a$
$a=5$
Elementary Geometry for College Students (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
9781285195698
ISBN 13:
978-1-28519-569-8
Chapter 11 - Section 11.2 - The Cosine Ratio and Applications - Exercises - Page 503: 19
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
