Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.5 - Formulas and Problem Solving - Exercise Set: 5


h = 20

Work Step by Step

Substitute the values for A, B, and b into the equation: A = $\frac{1}{2}$h(B + b) 180 = $\frac{1}{2}$h(11 + 7) Solve for h by first multiplying both sides by 2: 360 = h(18) Divide both sides by 18: 20 = h
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