Question

The shape of solid iron rod is cylindrical with height 11 cm , and base diameter is 14 cm

then find the total volume of 100 such rods.​

Answer 1

Step-by-step explanation:

The cylinder has a diameter of 7 cm. So, the radius of the cylinder is 72cm. The height of the cylinder is 11 cm. Now, the volume of 50 such rods =50×423.5=21175cm3.

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Answer 2

Answer:

For our problem, we have a cylinder whose base diameter and height is given. It is casted to form 50 cylindrical rods.

So, the volume of the cylinder can be specified by the square product of radius with height and some constant.

This can be represented in mathematical expression as: V=πr2hV=πr2h

where r be the radius and h be the height of the cylinder.

The cylinder has a diameter of 7 cm. So, the radius of the cylinder is 72cm72cm. The height of the cylinder is 11 cm.

So, the volume will be:

=227×72×72×11=8472=423.5cm3=227×72×72×11=8472=423.5cm3

Now, the volume of 50 such rods =50×423.5=21175cm3=50×423.5=21175cm3.

Therefore, the volume of 50 solid iron cylindrical rods is 21175 cubic cm