Diameter = distance across
Radius = half the diameter
Circumference = the diameter times pi
Area = the radius squared times pi
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It is the measurement from the middle point of a circle to the edge of the circle
no. its the inside Diameter is the measurement from one side of the circle, through the center, to the opposite side. Circumference is the measurement around the circle.
"Radius" is a measurement that refers to a circle. It's the distance from the circle's center to any point on its curve.
It is its square area which is found by pi*radius squared
Centimeter is a measurement unit in the metric system. The diameter is not a measurement unit. The diameter of a circle is twice the length of the radius of the circle.