A rectangular piece of paper 44cm x 40 cm is folded without overlapping to make a cylinder of height 4 cm. Find the volume of the cylinder.
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Step-by-step explanation:
By equating both areas l×b=2×pi×r(r+h)
From given 44×40=2×3.14×r(r+4)
44×40/2×3.14=r(r+4)
2765.71=r^2+4r
r^2+4r-2765.71=0
R=109.2
Therefore volume =3.14×(109.2)^2×4
14977.33
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