
The radius and the slant height of the right circular cone are given below. \((\)Use \(\pi = 3.143)\)
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Serial no.
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Radius
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Slant height
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Curved surface area
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Total surface area
|
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1.
|
12 \(cm\)
|
18 \(cm\)
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\(cm^2\)
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\(cm^2\)
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|
2.
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7.6 \(m\)
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14.9 \(m\)
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\(m^2\)
|
\(m^2\)
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Answer variants:
678.89
537.45
1131.48
355.91