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hello frnd!!!
here's ur answer...
area of circular sheet(radius=70m)=πr²
=22/7×70×70
=22×10×70
=15400m²
area of circular sheet (radius=2.1m)=πr²
=22/7×2.1×2.1
=97.02/7
=13.86m²
area of remaining sheet if we cut small circle from the sheet=15400-13.86
=15386.14m²
hence, 15386.14m² is left.
hope this helps...
☺
here's ur answer...
area of circular sheet(radius=70m)=πr²
=22/7×70×70
=22×10×70
=15400m²
area of circular sheet (radius=2.1m)=πr²
=22/7×2.1×2.1
=97.02/7
=13.86m²
area of remaining sheet if we cut small circle from the sheet=15400-13.86
=15386.14m²
hence, 15386.14m² is left.
hope this helps...
☺
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