Table 1: Diameter measurements.

Diameter measurement of Mexican currencies
50 cent cm1 peso cm2 pesos cm5 pesos cm10 pesos cm

Real diameter2.22.12.32.552.8
Measured diameter2.1962.09842.29362.54762.7976
Absolute error0.0040.00160.00640.00240.0024
Relative error0.18%0.07%0.27%0.09%0.08%