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2015-01-11T14:40:54+05:30

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For a right circular cylinder, 
Volume = πr²h = π×5²×21 cm³ =1650 cm³
CSA = 2πrh = 2π×5×21 cm² =  660 cm²
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2015-01-11T15:24:14+05:30

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Volume of a right circular triangel = π r^{2} h

= \frac{22}{7} * 5 * 5 * 21

=1650  cm^{3}

CSA of a right circular cylinder = 2πrh

=2 *  \frac{22}{7} * 5 * 21

=660  cm^{2}
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