Remember the circle eq'n
C = pi* d
Where pi = 3.141592.... ~ 3.14
d = 72 cm
Hence
C = 3.14 * 72 cm = 226.1946711... cm
C ~ 226.2 cm
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Circumference is Pi x Diameter so do Circumference divided by Pi to get the diameter :)
diameter = circumference/pi
circumference = diameter * pi. Therefore, diameter = circumference ÷ pi.
Yes because: circumference/diameter = pi and circumference = pi*diameter
Circumference = pi*diameter So diameter = circumference/pi = 1.59 units