Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 2 - Section 2.3 - Formulas and Problem Solving - Exercise Set: 35

Answer

$h=9$ feet

Work Step by Step

We know that the area of a triangle can be calculated as $A=.5bh$, where b is the base and h is the height of the triangle. We know that the area is 18 square feet and the base is 4 feet, so we can plug these values into the area formula to solve for h. $18=.5\times4\times h=2h$ Divide both sides by 2. $h=9$ feet
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