Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A right circular cone with r = 9 cm, h = 5 cm(Use the formula S = ?r 
+ ?r2.)
A. 254.3 cm2
B. 78.5 cm2
C. 545.3 cm2
D. 141.3 cm2
Answer: C
Mathematics
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