Question

10. If the diameter of cylinder is 7 cm and its volume is 1540 cm³ find the height of cylinder. (2)​

Answer 1

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d = 7cm

r = 7/2 cm

V = 1540cm³

h = ?

V = πr²h

$1540 = \frac{22}{7} . \frac{7}{2} . \frac{7}{2} . h . \frac{22}{7}$

After further calculations, we arrive at

h = 40cm

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