A) 3017.1
B) 3170
C) 301.7
D) 30.17
Correct Answer: C
Solution :
\[\therefore \] \[r=~9.6\,m,\] \[h=2.8\,m\] \[\therefore \] \[l=\sqrt{{{h}^{2}}+{{r}^{2}}}=\sqrt{{{(2.8)}^{2}}+{{(9.6)}^{2}}}\] \[=\sqrt{7.84+92.16}\] \[=\sqrt{100}=10\,m\] \[\therefore \] Curved surface area \[=\pi \times 9.6\times 10\] \[=\frac{22}{7}\times 9.6\times 10=301.7\,{{m}^{2}}\]You need to login to perform this action.
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