Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 5 - Section 5.5 - Fractions, Decimals, and Order of Operations - Exercise Set - Page 383: 79


$T=25.65$ square in.

Work Step by Step

The area of a triangle can be calculated as: $T=h\times\frac{a}{2}$ where a is the base and h is the height. Here: $T=5.7\times\frac{9}{2}=5.7\times 4.5=25.65$ square in.
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