The diameter of a roller 1m long is 70cm if it takes 200 revolution ro level a play ground find the cost of levelling at the rate of 75 paise per sq • m
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Curved surface area of cylinder =2pierh
=2X22/7X0.7X1
=4.4
=4.4X200(revolutions)
=880
=880X0.75rupees(75paise)
=660 ruppes₹
=2X22/7X0.7X1
=4.4
=4.4X200(revolutions)
=880
=880X0.75rupees(75paise)
=660 ruppes₹
kanakpatidar44p3bkee:
Sorry this answer is wrong
Curved surface area of cylinder=2pie rh
=2X22/7X0.35X1
=2.2
2.2X200(revolutions)
=440
440X0.75(75paisa in rupees)
=330 answer
Sorry for wrong answer
330 is right answer
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