Question

Find the volume of right circular cylinder which
has a height of 21 cm and base radius 5cm. Find
also the curved surface area of the cylinder.
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Answer 1

Answer:

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Answer 2

Answer:816.81409cm²

Step-by-step explanation:

A=2πrh+2πr2=2·π·5·21+2·π·52≈816.81409cm²