Question

Find the height of the cylinder whose volume is 462 cm cube and diameter of the base is 7 cm

Answer 1

Hello,

Here is your answer...

We know that,

Volume of Cylinder = pi × (radius)*2 × h

Given,
Volume of cylinder = 462 cm ^2
Diameter = 7 cm
so,
Radius = 7/2 cm

Now,

Volume = 22/7 r ^2 × h

462 = 22/7 ×7/2 ×7/2 × h

462 = 11 × 7/2 × h

462 × 2 = 77 h

(462 × 2) / 77 = h

(42 × 2 ) / 7 = h

6 × 2 = h

$12 = h$

So,

Height of cylinder is 12 cm.


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