The diameter of a roller is 84 cm and its length is 120 cm. It takes 500 complete revolutions to move once over to level a playground. Find the area of the playground in
.
Solution:
Diameter of roller
cm
Radius of roller
cm
Length of the roller
cm
It is given that it takes 500 revolutions with roller to level a playground.
Area of playground
Curved surface area of roller
Leave a Reply