a rectangular puece of oaper 11 ×4 cm is folded without overlapping to make a cylinder of height 4 cm Find the volume of the cylinder
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Consider the advantages and disadvantages of online education and education in a traditional classroom setting. Which method of learning is better for students? Write an essay in which you try to persuade a classroom teacher that either online or classroom learning is best
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Step-by-step explanation:
Given a Rectangular piece of paper 11cm×4cm is folded without overlapping to make a cylinder of height 4 cm
The length of the paper becomes the circumference of the base of the cylinder and width becomes height.
Let radius of the cylinder=r and height=h
Circumference of the base of cylinder =2πr=11cm
⇒2×722×r=11
∴r=47cm
Now h=4cm
Volume of the cylinder (V)=πr2h
=722×47×47×4cm3
=38.5cm3
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