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ilfindthevalucof cos OLt s[Taken ]l a garden roller is 1.4 m and it is 2 m long. How much area will it cover in5 revolutions |
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Answer» Diameter = 1.4 m r = d/2 r = 1.4/2r = 0.7m curved surface area of cyclinder = 2 * 22/7 * r^2 = 2 * 22/7 * 0.7*0.7. = 8.8 m^2 No of revolution = 5 Therefore = 8.8 * 5 = 44 m2 |
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