the inner circumference of a circle track is 200 m and Outer circumference is 220 M find the width of the circle
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area of outer circular track
2*pie*r=220
2*22/7*r=220
2*r=70
r=35 so diameter is 70
area of inner circular track
2*22/7*r=200
2r=63.6 so diameter is 63.6
so the width would be 70-63.6=6.4m
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