A rectangular piece of paper of width 30 cm and length 77 cm is rolled along its width, to forma cylinder. What is the volume of the cylinder so formed?
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l*b*h is formula you can solve it using this bro
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Curved surface area= area of rectangular piece of paper
=30×77=2310 sq.cm.
2310=2 ×pi ×r×h
Thus, r=2310 / 2×3.14×30
r=12.25 cm
Volume of cylinder= pi×r2h
=3.14×12.25×12.25×30
=14148.75 cu. Cm.
=30×77=2310 sq.cm.
2310=2 ×pi ×r×h
Thus, r=2310 / 2×3.14×30
r=12.25 cm
Volume of cylinder= pi×r2h
=3.14×12.25×12.25×30
=14148.75 cu. Cm.
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