Math, asked by Garvnanwani6084, 10 months ago

The diameter of roller is 84 cm and it’s length is 120 cm It takes 300 complete revolutions to level the playground . Find the area of playground in m square

Answers

Answered by abhinavkr01

1

radius of the roller=42cm

c.s.a. of the roller=2πrh

2*22/7*42*120

44*6*120=264*120=31,680cm²

area of playground=31680*300=9,504,000cm²

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