the diameter of a garden roller is 14 cm and it is 2 cm long how much area will it cover
in 10 revolutions
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Diameter = 14cm
Radius = d/2 = 14/2 = 7cm
Distance covered by roller in 1 revolution = Circumference of circumference of roller= 2πr = 2×22/7×7 = 44cm²
Area covered by the roller in 10 revolution = 10×44 = 440cm²
Radius = d/2 = 14/2 = 7cm
Distance covered by roller in 1 revolution = Circumference of circumference of roller= 2πr = 2×22/7×7 = 44cm²
Area covered by the roller in 10 revolution = 10×44 = 440cm²
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