The circumference of a circle is 19πinches. find the radius.c=2πr
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2015-11-04 04:19:29
hello : c=2πr 19 = 2 π r r = 19/ 2 π r = 19/ (2×3.14) =19/6.28 r = 3.03 nches
2015-11-04 04:20:44
9.5 19÷2=9.5 since the radius is half of diameter
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