Math, asked by akshit555, 3 months ago

A roller takes 750 complete revolutions to move once over a level of road. Find the area of road if the diameter of the roller is 84 cm and length is 1 m.

Answers

Answered by JyotsanaPathak
5

may this helps you

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Answered by labdhee82
11

Step-by-step explanation:

Diameter = 84cm

Radius = D/2 = 84/2 = 42cm

Height (length) = 1m = 100cm

Curved surface area of road roller = 2x2/7x42x100 = 26400cm square units

Area of road = Curved surface

Area of road roller x number of revolution

= 26400 x 750 = 19800000cm^2

In m^2 = 1980m^2

Please mark it as brainlist

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