a) 25cm
b) 28cm
c) 35cm
d) 30cm
The curved surface area of a cone is 1980 cm2 and its radius is 21cm, what is the slanted height of a cone? (Take π = \(
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answerhappygod
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The curved surface area of a cone is 1980 cm2 and its radius is 21cm, what is the slanted height of a cone? (Take π = \(
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