the diameter of roller is 84 cm and its length 120 cm it takes 500 complete resolution to move once to level a playground find the area of playground in meter
Answers
Answered by
1
The area of playground is 158.
40 sq. m
By using the curved surface formula
40 sq. m
By using the curved surface formula
ramesh124:
sorry it would come 158.40sq m
Answered by
14
R=84/2=42
Curved surface area=2pierh
2*22/7*42*120
31680cm^2
Area of 1 revolution =31680
Of 500=15840000cm^2
In m^2=15840000/10000
=1584m^2
Curved surface area=2pierh
2*22/7*42*120
31680cm^2
Area of 1 revolution =31680
Of 500=15840000cm^2
In m^2=15840000/10000
=1584m^2
Similar questions