and you can see that the ribbon is just over 3 times the diameter of 1 circle. This number, called Ï€ (or pi), is approximately 3.14. You have shown that the circumference of a circle is Ï€ × ...
This may be a specific number of decimal places or significant figures. The circumference of a circle is the distance around the shape. The circumference is the perimeter of the circle.
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