A lawn mover takes 600 complete revolutions to cover the lawn. Find the area of the lawn if
the diameter of the lawn mover is 42cm and length is 1.5m.

Question

A lawn mover takes 600 complete revolutions to cover the lawn Find
the area of the lawn if
the diameter of the lawn mover is 42cm and length is 1 5m

Ishwarmani · Accepted Answer

Dear
Student,
Please find
below the solution to the asked query:

We have,r=422 cm=21 cm and h=1
5 m=150 cmAs, CSA of lawn mover=2πrh=2×227×21×150=19800 cm2So, the area of the lawn=19800×600=118800 cm2=11
88 m2

Regards