Head circumference of 3 year old?
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The circumference of circle that is 8 cm is: about 25.13 cm (diameter x pi = circumference).
The circumference of an 8-inch circle is: 25.1 inches.
If the circle is 8 inches in diameter, its circumference would be: 25.13 inches (diameter x Pi = circumference)
The circumference of a circle with an 8 cm radius is: 50.27 cm
Easy. Multiply the diameter (8 yards) by Pi (about 3.1416). The result is the circle's circumference:8 x 3.1416 = 25.1328 yards circumference