A race truck is in the form of a ring whose inner circumference is it 220 M and Outer circumference is 880 m. find the width of the truck
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inner circumference=220m.
(C)=2πr=2*22/7*r=220
=7*220/2*220=35m
outer circumference=880m
(C)=2πr=2*22/7*r=880
=7*880/2*22=140m
width of track =140-35m=105m
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