Given:
Diameter = 10 cm
π = 3.14
As we know,
The formula for the circumference of a circle = 2 π r
Also,
The formula for Diameter = 2 r i.e. 2 x radius
So, 10 = 2 r
r = 10 / 2 = 5 cm
Thus, Circumference of the required circle = 2 x 3.14 x 5 = 31.4 cm
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