A) \[188.5\,\,c{{m}^{2}}\]
B) \[180.6\,\,c{{m}^{2}}\]
C) \[184.\,8\,\,c{{m}^{2}}\]
D) None of the above
Correct Answer: A
Solution :
Curved surface area of cone \[=\pi rl\] \[h=\frac{4}{3}\times 6=8,r=6\] \[l=\sqrt{{{h}^{2}}+{{r}^{2}}}=10\] \[\pi rl=\frac{22}{7}\times 6\times 10=188.5\,\,c{{m}^{2}}\]
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