7. A rectangular sheet of paper 44 cm x 20 cm
rolled along breadth form a cylinder. Find the
volume of the cylinder so formed.
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Answer:
volume = 3080 cm cube
Step-by-step explanation:
area of rectangle = lxb
44cm x 20cm = 880 cm sq.
LSA of cylinder = 2πrh
2 x 22/7 x r x 20 = 880 cm sq.
r = 880 x 1/880
r = 7cm
volume of cylinder = πr^h
22/7 x 7 x 7 x 20 = 440 x 7 = 3080 cm^3
HOPE IT IS HELPFUL !!!!!
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