Algebra 1: Common Core (15th Edition)

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

Chapter 2 - Solving Equations - 2-5 Literal Equations and Formulas - Practice and Problem-Solving Exercises - Page 112: 30


16 ft

Work Step by Step

The area of a triangle can be found by using the formula A =1/2(b)(h). b represents the length of the base of the triangle. h represents the height of the triangle. A represents the area of the triangle: A is given as 32 ft, and h is given as 4 ft. Plug these values into your formula, giving you: 32= $\frac{1}{2}$(b) $\times$4 Next, divide both sides by 4 leaving you with: 8=$\frac{1}{2}$(b) After that, multiply by 2 to get ride of the coefficient in front of b leaving you with the answer: b = 16 ft
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