The diameter of a roller it 154cm and it's length 120cm it take complete revolution it move once over to level a play ground find area of the play ground
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GIVEN : D = 154cm
R = D/2 = 154/2=77cm
Length = Height of the roller = 120cm
Area of the playground= Curved surface area of the roller
=> C.S.A OF ROLLER = 2Πrh
2×22/7×77×120
=> 58080 cm² or 580.8 m²
=> AREA OF PLAYGROUND IS 58080 cm² or 580.8 m²
HOPE IT HELPS YOU.
R = D/2 = 154/2=77cm
Length = Height of the roller = 120cm
Area of the playground= Curved surface area of the roller
=> C.S.A OF ROLLER = 2Πrh
2×22/7×77×120
=> 58080 cm² or 580.8 m²
=> AREA OF PLAYGROUND IS 58080 cm² or 580.8 m²
HOPE IT HELPS YOU.
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