Elementary Technical Mathematics

by Nelson, Robert; Eren, Dale;

Published by Brooks Cole

ISBN 10: 1285199197

ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.4 - Formulas - Exercise - Page 22: 21

Answer

32 ft squared

Work Step by Step

A=(a+b/2)h A=(7 ft + 9 ft / 2)4 Ft Add 7 + 9 first: (16 ft/2)4 ft Next, divide 2 into 16: (8 ft)4 ft Multiply 8 x 4 A=32 ft squared

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