A) \[\sqrt{29}\,cm\]
B) \[3\sqrt{3}\,cm\]
C) \[\sqrt{13}\,cm\]
D) \[\sqrt{13}\,cm\]
Correct Answer: A
Solution :
[a] Slant height \[=\sqrt{{{h}^{2}}+{{(R-r)}^{2}}}\] \[=\sqrt{25+{{(5-3)}^{2}}}=\sqrt{29}\,cm\] |
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