I have no idea what you did.
If hat size is 7.25, then circ in cm is
7.25*2.54*PI=58cm
Hat sizes are determined by measuring the circumference of one's head in either inches or centimeters. Use ratio and Proportion to complete the following table.
Hat Size:
Hat size: 7 1/4, 7 1/8 Head circum to nearest 1/5 22/45. Head circum to the nearest 56cm 58. I hope I wrote it up correctly. Thank you.
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