Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 10 - Geometry - 10.4 Area and Circumference - Exercise Set 10.4: 14

Answer

107.8 $m^{2}$

Work Step by Step

Given h = 7m , a = 20.8 m, and b = 10m The formula for area of a trapezoid is: $A=1/2h(a+b)$ =$\frac{1}{2}$x 7 x (20.8 + 10 ) =$\frac{1}{2}$x 7 x 30.8 = 107.8 $m^{2}$
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