The line segment is a radius.
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A radius of a circle is a line segment joining the center of the circle to a point on the circle. All such segments have the same length, and this length also called the radius of the circle.
A line segment drawn through the centre of a circle and having endpoints on the circumference of that circle is called the diameter. Notably, a line segement with one endpoint at the centre of the circle and one anywhere on the circumference of the circle is called the radius, and is exactly half the length of the diameter.
double the length
If it is a circle and not an oval, they should be the same length. 7.
Radii is the plural of radius. A radius is the length of a line segment between the center and the circumference of a circle or sphere.