Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - Mid-Chapter Quiz: 13



Work Step by Step

Use the Area of a triangle formula $\frac{1}{2}$bh to solve this problem. Plug in the given values. The problem reveals that A is equal to 28 and b is 7. When you plug in these values, your new equation is: 28=$\frac{1}{2}$(7)h The whole purpose of this is to solve for h, which represents the height. Notice that on the right side, $\frac{1}{2}$ can be distributed to the 7 in the parentheses, giving you a more simplified equation: 28=3.5h Lastly, divide both sides by 3.5 to get h by itself: 8=h.
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