Elementary Geometry for College Students (6th Edition)

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

Chapter 8 - Section 8.5 - More Area Relationships in the Circle - Exercises - Page 378: 1

Answer

(a) The figure is a sector. (b) $P = 25~cm$

Work Step by Step

(a) Since the figure OAB is bounded by two radii of the circle and a rounded arc of the circle, the figure is a sector. (b) We can find the perimeter: $P = (7~cm)+(7~cm)+(11~cm) = 25~cm$
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