What is the surface area of this triangular prism?
A. 228 ft2
B. 195 ft2
C. 258 ft2
D. 330 ft2
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258 ft2
Step-by-step explanation:
30 ft2 is one side, and there are 2 sides, so it is 60 ft2
11*5=55
2(6.5*11)=143
added together is 258