Question

The volume of the cylinder whose radius is 'r' and height '4r' is:
a) Str3
b) 16tr3
c) 4tr d) none of these
In a quadratic equation ay2 + hy too​

Answer 1

$radius = r \\ height = 4r \\ volume = \pi {r}^{2} h \\ = \pi \times {r}^{2} \times 4 r \\ = \pi4 {r}^{3}$

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