Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 12 - Review - Page 443: 9

Answer

$$43.34\ cm\, \ 102\ cm^2.$$

Work Step by Step

The perimeter of the given quadrilateral is $$sum\ of \ sides=10.21+9.59+15.63+7.91=43.34\ cm$$ The area is given by $$\frac{1}{2} (sum\ of\ parallel\ bases)\times hight=\frac{1}{2}(10.21+15.63)\times7.91=102.1972\ cm^2\approx 102~cm^2.$$
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