Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 12 - Circles - 12-2 Chords and Arcs - Practice and Problem-Solving Exercises - Page 777: 14

Answer

$x\approx 5.4$

Work Step by Step

When a diameter of a circle is perpendicular to a chord, then it will bisect the chord and its arc. Apply Pythagorean Theorem. $(3.6)^2+(4)^2=x^2 \\ x^2=28.96\\ x =\sqrt {28.96}$ Therefore, $x\approx 5.4$
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.