Question

the height of the cylinder is 21cm and its curved surface area is 396cm². Find the volume of the cylinder​

Answer 1

Answer:

Using the formulas

A=2πrh+2πr2

AB=πr2

V=ABh

Solving forV

V=1

4h(πh﹣πh2+2A)2=1

4·21·(π·21﹣π·212+2·396)2≈467.99925cm³

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