it is called a diameter.
The diameter !
I think this answers your question:
A segment whose end points both rest on the same circle and which passes through the center of the same circle is called the circle's diameter.
a line from the edge of a circle through the center to the other side is the diameter
Radius
Diameter
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Diameter
The distance from one side of a circle to the other going through the center is called the Diameter, the distance from any side to the center (half the diameter) is called the radius.
The diameter
The distance around a circle is the circumference. The diameter of a circle is the distance across the center of a circle.
Diameter is the distance across a circle through the center. Circumference is the distance around the outside of a circle. Circumference is always pi (3.14) times larger than diameter.Note:pi is approximately 3.14