Question

The student of vidyalaya were asked to participate in the competition for making and decorating pen holders in the shape of a cylinder with the base using cardboard each pen holder was to be radius 3 cm and height 10.5 CM vidyalaya was to supply the competitors with cardboard if there were 35 competitors how much cardboard was required?​

Answer 1

Answer:

radius : 3cm

height : 10.5 cm

surface area of pen holder

$2\pi \: rh + \pi {r}^{2}$

By using this formula the required surface area will be :

$\frac{1584}{7} cm {}^{2}$

total cardboard required :

$7920cm {}^{2}$

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Answer 2

Step-by-step explanation:

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