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find the radius of a circle with circumference of 42.1
Circumference = 2*pi*r = 34*pi inches.
Circumference = 2*pi*radius = 26*pi inches
Circumference in terms of PI = 17 PI Circumference with 3.14 = 53.58 Area in terms of PI is 72.25 Area with 3.14 is 226.86500
Circumference in terms of pi = 2pi yards Area in terms of pi = pi square yards