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The students of a Vidyalya were asked to...

The students of a Vidyalya were asked to participate in a competition for maiking and decorating pen holders in the shape of a cylinder with a base, using carboard. Each penholder was to be of radius 3 cm and height `10.5` cm. The Vidhaly was to supply the competittors with cardboard. If there were 35 competitiors, how much carboard was required to be bought for the competition ?

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The correct Answer is:
`therefore 7920 cm^(2) `
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The students of a Vidyalaya were asked to participate in a competition for making and decorating penholders in the shape of a cylinder with a base, using cardboard. Each penholder was to be of radius 3 cm and heigh 105. cm. The Vidyalaya was to supply the competitors with cardboard. If there were 35 competitors, how much cardboard was required to be bought for the competition ?