Question

the diameter of a garden roller is 1.4 metre and it is 2 metre long how much area will it cover in 5 revolution

Answer 1

d=1.4 m
circumference= pi×d= 1.4×22/7= 4.4 m
5 revolution= 5×4.4 m= 22m
It becomes a rectangle, so
area= lb
=2×22= 44 sq. m

Answer 2

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