a chord. The chord that passes through the center of the circle has a special name: the diameter.
Do you mean, like, the Earth? The equator. If you mean the line going from side to side across the middle of a circle then... the diameter of a circle
Diameter of a circle is a line that goes from one side of the circle, passes through the center of the circle, and touches the other side of the circle. So a circle could have a diameter of length 2 inches, or maybe 7 feet, etc. If the line does not pass through the center of the circle, it is not a diameter.
If you draw a line from one side of a circle to the other, and that line hits the center, and goes all the way across, it is the diameter. half of that line going from the center to the edge of the circle is the radius.
there is no length or width of a circle. There is radius and circumference and the line that goes all the way through the center to the other side of the circle, which is twice the radius. But there is no length or width of a circle.
Such a line, if it is straight, is a diameter.
A diameter is a straight line from one side of a circle, through the centre, to the other side. A circumference is the curved line forming the boundary of a circle.
Radius is half the diameter. The diameter of a circle is a straight line that passes from one side of the circle to the other through the centre of the circle. Half of that line is the radius.
a radius is the line that goes into the middle of a circle but a diameter goes through the center point of a circle from one side to the other fyi. if u multiply the radius of a circle by 2 u get the diameter and if u divide the diameter by 2 u get the radius :) :P <3
The diameter of a circle is a straight line going from one point on its boundary, through the centre of the circle, to the boundary on the other side.