Answer
a) Diameter of the Tree: 45.86 cm
b) To find the diameter of a circle when you know the circumference simply divide by $\pi$ or 3.14.
Work Step by Step
Circumference of a Circle: $C$ = $\pi$$d$
Therefore:
144 cm = 3.14$d$
$d$ = 45.86 cm
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 8 - Geometry - 8.6 Circles - 8.6 Exercises - Page 575: 31
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