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Given
Length of wire=20m
A circle bed can get fenced by this
So Circumference of circular bed=length of wire
Circumference = 2 pi r
Taking pi=22/7
20=2x22/7 x r
R=20x7/44
R=140/44
Area of bed = pi r²
=22/7 x (140/44)²
=22/7x19600/1936
=31.82cm²
This is ur ans hope it will help you in case of any doubt comment below
Length of wire=20m
A circle bed can get fenced by this
So Circumference of circular bed=length of wire
Circumference = 2 pi r
Taking pi=22/7
20=2x22/7 x r
R=20x7/44
R=140/44
Area of bed = pi r²
=22/7 x (140/44)²
=22/7x19600/1936
=31.82cm²
This is ur ans hope it will help you in case of any doubt comment below
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