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Answer:
<h2>168 ft²</h2>
Step-by-step explanation:
the surface area of the triangular prism =
2×(the base’s area) + the lateral area
the base’s area =

the lateral area =
9×(6 + 5 + 5) = 9×16 = 9×16 = 144
finally,
the surface area of the triangular prism = 24 + 144 = 168
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:)
Answer:
Step-by-step explanation:
It is a solution because if you plug in 84 for b you get 84/12 = 7
Sense the two triangles are congruent you would use CPCTC.
18.9 rounded is 19
5.2 rounded is 5
19 * 5 = 95