a rectangular piece with 30 cm breadth and 70 cm length is rolled along with its breadth find the volume of cylinder
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Given,
Breadth=30 cm
Length=70 cm
According to the question length becomes the circumference and breadth becomes the height.
Now we have
Height=30 cm
Circumference=70 cm
2πr=70 cm
πr=35 cm
r=(35×7)/22=11.13
Volume of the cylinder=πr^2h
=22/7×(11.13)^2×30
=3.14×123.87×30
=388.95×30
=11668.5 cm^3
utkarsh8332:
make breadth circumference
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