Answer
18
Work Step by Step
To find better estimate of the area of the figure. by using average of the results in parts (a) and (b)
result of (1) = 10
result of (2) = 26
Average = $\frac{ (1) + (2)}{2}$ = $\frac{10+26}{2}$ = 18
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 8 - Section 8.1 - Area and Initial Postulates - Exercises - Page 361: 55c
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