Question

A rectangular metal sheet of area 2m square is rolled to form a cylinder of volume (4/p) m cube. The radius of the cylinder thus formed is

Answer 1

Answer:

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Answer 2

Answer:

Rectangular metal sheet

Area=2m2

I=2,b=1 , area=2m2

cylinder:

Vol=4/π,

h=1m. (b of rectangle)

Volume of the cylinder

πr 2h=4/π

r^2 = 4π/πx1=4

r =v4=2

radius = 2m