A roller tax 1500 revolution two level a ground the diameter of the roller is 42 cm and height 1m . Find area covered by roller
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Area of covered by roller=curved area of cylinder×2×roller revolution
=(2pi×h×2×1500)sq.m
=[(2×22/7)×(42/200)×1×2×1500]sq.m
=[(44×42×2×1500)×7×200]sq.m
=(44×6×15)sq.m
=3960sq.m
=(2pi×h×2×1500)sq.m
=[(2×22/7)×(42/200)×1×2×1500]sq.m
=[(44×42×2×1500)×7×200]sq.m
=(44×6×15)sq.m
=3960sq.m
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