a road roller is cylindrical in shape .its circular end has a diameter 250cm.and its width is 1m40cm.find the least number of revolution that the roller must make in orderto level a playground 1110m25m.
balakannika:
can u pls resend the area of playground
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lateral surface area of cylinder=2πrh
2*22/7*140*125*X=113500cm
=110000*X=113500cm
X=1.03cm
2*22/7*140*125*X=113500cm
=110000*X=113500cm
X=1.03cm
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