The RADIUS.
Other nomenclature for a circle are:-
Diameter ; Two radii forming a straight line through the circle centre.
Chord ; A straight line from one point on the circle to another point on the circle that does NOT pass through the circle centre.
Arc ; Part of the circumference.
Segment ; An area inside the circle bounded by two radii and an arc.
Tangent ' A line just touching the circle's circumference in ONE place.
NB The plural of the noun 'Radius' is 'RADII' , not radiuses.
'Radii' is pronounced 'Ray- dee - eye'.
NNB 'pi' is the Classical Greek small case letter 'p' , for 'proportion. It is an Irrational number, but for elementary(school) purposes it is given as the approximation '3.14' or '22/7'
Being an Irrational number means the decimals are NOT in any regular order and go to infinity. pi ~ 3.141592.....
The line that connects a point on a circle to the center of a circle is called the Radius.
It is the radius of the circle
The diameter
Diameter.
The radius is the line from the center of a circle to its circumference.
diameter
The line segment is the radius of a circle that connects the center of a circle to any point on its circumference.
The line from the center of a circle to a point on the circle is the radius.
The line from the center of a circle to a point on the circle is the radius.
It is the radius of the circle
The radius
No because that is its radius
If it connects the center of the circle to the edge, it is the radius. If it is a straight line that connects the edges of a circle through the center, it is the diameter.
That's a radius of the circle.
The diameter
what about such a line segment? the length of such a segment is called the radius. the area of the circle is pi*the length of this segment squared the circumference is 2*pi*the length of this segment
Diameter.
The radius is the line from the center of a circle to its circumference.