Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 8 - Geometry - 8.4 Parallelograms and Trapezoids - 8.4 Exercises: 14

Answer

$A$ = 0.52 km$^{2}$

Work Step by Step

Area of a Trapezoid: $A$ = $\frac{1}{2}$$h$($b$ + $B$) Therefore: $A$ = $\frac{1}{2}$(0.65 km)(0.4 km + 1.2 km) $A$ = $\frac{1}{2}$(0.65 km)(1.6 km) $A$ = (0.325 km)(1.6 km) $A$ = 0.52 km$^{2}$
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