A) 4
B) 8
C) 10
D) 6
Correct Answer: C
Solution :
Radius of sector=Slant height of cone \[=\sqrt{{{h}^{2}}+{{r}^{2}}}=\sqrt{{{6}^{2}}+{{8}^{2}}}=\sqrt{36+64}\] \[=\sqrt{100}\,=\,10cm\]
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