The students of vidhyalaya were asked to participate in a competition for making and decorating pen holders in the shape of a cylinder with a base using a cardboard. Each pen holder was to be radius 3cm and height 10.5cm. The vidhyalaya was to supply the competitors with cardboard. If there's were 35 competitors how much cardboard was required to be brought for the competition?

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Solution

Radius,r= 3cm

Height,h=10.5 cm

$T S A o f c y l i n d e r = 2 π r h + π r ² = 2 π * 3 * 10.5 + π * 3 ² = 226.195$

Cardboard required by 35 competitors = 35 *226.195 = 7916.81 cm^3

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The students of a Vidyalaya were asked to participate in a competition for making and decorating pen holders in the shape of a cylinder with a base, using cardboard. Each pen holder was to be of radius $3 c m$ and height $10.5 c m$ . The Vidyalaya was to supply to the competitors with cardboard. If there were $35$ competitors, how much cardboard was required to be bought for the competition?

Q. 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 c m

and height

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. The Vidyalaya was to supply the competitors with cardboard. If there were

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competitors, how much cardboard was required to be bought for the competition?

Q. The students of 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 height 10.5 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?

[A s s u m e π = \frac{22}{7}]

Q. Question 11
The students of 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 height 10.5 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?

[A s s u m e π = \frac{22}{7}]

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 $3 c m$ and height $10.5 c m .$ 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? [Assume $π = \frac{22}{7}$ ]

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Radius,r= 3cm Height,h=10.5 cm TSA of cylinder = 2πrh + πr² = 2π*3*10.5 + π*3² = 226.195 Cardboard required by 35 competitors = 35 *226.195 = 7916.81 cm^3

Radius,r= 3cm

Height,h=10.5 cm

$T S A o f c y l i n d e r = 2 π r h + π r ² = 2 π * 3 * 10.5 + π * 3 ² = 226.195$

Cardboard required by 35 competitors = 35 *226.195 = 7916.81 cm^3