Let r be the radius of the circle.
A/Q,
Circumference - radius = 37 m
2πr - r = 37 m
2 x 22/7 x r - r = 37 m
44 r/7 - r = 37 m
44r/7 - r/1 = 37 m
(44r - 7r)/7 = 37 m
37r/7 = 37 m
r = (37 m x 7)/37
r = 7 m
Diameter (d) = 2 x r = 2 x 7 m = 14 m
