If the difference between the circumference and the radius of a circle is 37 cm, then using , the circumference (in cm) of the circle is: 154 44 14 7
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r + 37 = 2πr
37 = 2πr - r
37 = r(2π -1)
r = 37 / ( 2π-1)
37 = 2πr - r
37 = r(2π -1)
r = 37 / ( 2π-1)
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