find the radius and diameter of the following circle when circumference is are 9whole 4/5
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circumference= 4/5
c= 2× π × r
c = 2 × 22/7 × r
4/5 × 7/22 ×1/2 = r
1.257 = r
diameter = 2 × 1.257
diameter = 2.514 .
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