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Conversion of solid from one shape to another

What portion ...

Question

What portion of a circular paper would form a right circular cone of total surface area $84 π c m^{2}$ and radius 6 cm?

A

\frac{3}{4}

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B

\frac{4}{7}

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C

\frac{2}{5}

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D

\frac{3}{5}

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Solution

The correct option is A $\frac{3}{4}$

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Conversion of solid from one shape to another

Standard X Mathematics

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