Answer
$ 10 \ m^2$
Work Step by Step
The area of a triangle is equal to $A=\dfrac{1}{2} (base)(height)\\=\dfrac{1}{2} (4)(5)\\= 10 \ m^2$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 10 - Area - Chapter Review - Page 677: 5
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