#### Answer

16

#### 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) = 12
result of (2) = 20
Average = $\frac{(1)+(2)}{2}$ = $\frac{12+20}{2}$ = 16

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Published by
Brooks Cole

ISBN 10:
9781285195698

ISBN 13:
978-1-28519-569-8

16

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