A circle with a radius of 81 cm has a circumference of 508.94 cm
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The diameter of a circle if the circumference is 41 cm is about 13.05 cm (C divided by Pi = diameter)
If the circumference of a circle is 45 cm the length of the diameter in centimeters is: about 14.32 cm
circumference = π x diameter ⇒ diameter = circumference ÷ π = 12 cm ÷ π ~= 3.8 cm
Well, honey, if the circumference of a circle is 14 cm, then we can use the formula C = πd to find the diameter. Plug in the given circumference and solve for the diameter. So, the diameter of the circle would be approximately 4.45 cm. Hope that clears things up for you, sugar!
If 15 cm is the diameter then circumference is pie x diameter which is 3.14 x15