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A solid iron rod has cylindrical shape.its height is 11cm and its base diameter is 7cm,then the volume of 50 rods is

Posted by Srija Sri 5 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Pranjal Sharma 5 years, 1 month ago

Thanks

0Thank You

Gaurav Seth 5 years, 1 month ago

Since, The volume of a cylinder is,

Where r is the radius of the cylinder and h is the height.

Here, the diameter of one cylinder = 7 cm,

⇒ Radius of one cylinder, r = 7/2 = 3.5 cm

And, the height of a cylinder, h = 11 cm,

⇒ The volume of 1 cylinder,

⇒ The volume of 50 cylinder = 50 × 423.115

= 21,155.75 cube cm

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