perimeter of a circle = circumference = pi x diameter perimeter = 3.1416 x 12 = 37.7 cm
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Using 3.14 as Pi the area of circle is: 113.03999999999999
hteht
C=3.14D C=12x3.14 C=37.7+12=49.7
Circumference: 12*pi = 37.699 cm rounded to three decimal places
The perimeter of a circle is its circumference