The diameter of a garden roller is 2.8 m and its length is 2.1 m. How much area will it cover in 150 complete revolutions
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Diameter = 1.4 m
r = d/2
r = 1.4/2
r = 0.7 m
curved surface area of cylinder =2∗22/7∗r∧2
=2∗22/7∗0.7∗0.7
=8.8m∧2
No of revolution = 5
Therefore =8.8∗5
= 44 m2
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