Answer
The sign has a surface area of 0.9 m$^{2}$
Work Step by Step
Area of a Triangle: $A$ = $\frac{1}{2}$$b$$h$ Therefore: $A$ = $\frac{1}{2}$(1.5 m)(1.2 m) $A$ = (0.5)(1.5 m)(1.2 m) $A$ = 0.9 m$^{2}$
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 8 - Geometry - 8.5 Triangles - 8.5 Exercises - Page 567: 22
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