a cylindrical roller is of length 2 m and with a diameter of 84 cm how many revolutions it has to take to cover 7290msq.
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The revolution has to take to cover =7290%Curved surface area of cylinder
=7290%2×22%7×42×2
=7290%2×22×6×2
=7290%528
=13.80
Therefore,13.80 revolution has to take to cover 7290
Hope this help you
harsh130905:
wrong answer
What is right answer?Then what is right answer
1500 revolutions
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