A circle has radius 6 cm.  Suppose an arc on the circle has length 3pi cm.  What is the fraction of the whole circle represented by this arc? The measure of the central angle defined by the arc is.    The  area of the sector defined by the arc is    pi cm^2

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.4: Cicumference And Area Of A Cicle
Problem 48E: A circle has a radius length of 5.3 cm. Find the length, to a tenth of a centimetre of each side of...
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A circle has radius 6 cm.  Suppose an arc on the circle has length 3pi cm.  What is the fraction of the whole circle represented by this arc?

The measure of the central angle defined by the arc is.   

The  area of the sector defined by the arc is    pi cm^2

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