The students of a Sun rise English school 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 a radius of 3 cm and height 10.5 cm. The Sun rise english school was to supply the competitors with card board . If there were 35 competitors , how much cardboard was required to be bought for the competition? plz ans
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Answer: 10390.8177cm2 of cardboard
Step-by-step explanation:
r→3cm
Area → π x r x r
= π x 3cm x 3cm
= 28.27433388 cm2
28.27433388 cm2x 10.5 cm = 296.8805058 cm2
296.8805058 cm2 x 35 = 10390.8177cm2
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