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A line that goes through a circle is a secant line. (Remember that a line is infinitely long.) Anyline that passes through a circle is a secant line, whether it passes through the center of the circle or not. Compare this to a line segment with endpoints on the circumference of a circle. That segment is called a cord of that circle. If the cord of a circle passes through the center of that circle, it is a diameter of that circle, which is the longest cord of the circle.

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Q: What is the straight line through the center of a circle called?
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Related questions

What is a straight line through the center of a circle from one end to the other?

It is called the diameter. The line that goes halfway through the circle is the radius.The length of a straight line through the center of a circle is called the diameter. Any other object I'm not sure has a name; perhaps the length...width...or height


What is the straight line that passes through the center of a circle and has endpoints on the circle?

It is the diameter of the circle.


What is a straight line from the centre to the edge of a circle called?

A straight line from the center of a circle to the outer edge is called a radius.


A straight line across a circle through the centre?

Line through the center of a circle is the diameter or distance across the circle.


What is a line joining two points on the circle?

A straight line connecting two points on a circle is a "Chord". If the chord goes through the center of the circle, it is called, "Diameter".


Do all diameters pass through the center of a circle?

Yes. In geometry, a diameter of a Circleis any straight Line_segmentthat passes through the center of the circle and whose endpoints are on the circle.


What is a straight line that joins two points on the circumference of a circle?

A chord is a line that joins to points on the circumference of a circle. If it passes through the center of the circle it's called a diameter.


Do all chords of a circle pass through the center of a circle?

No, not all chords of a circle pass though the center of that circle. Any cord that does pass through the center of the circle is called diameter of that circle.


What is a line segment that connects the center of a circle and has both endpoint?

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.


Straight line from the center of a circle to the outside diameter is called?

A line segment with the center of a circle as one endpoint and the other endpoint on the circumference of the circle is a rdius of that circle.


Does a chord of a circle have to go through the center?

No, the cord of a circle does not have to go through the center of that circle. A chord that does go through the center of a circle is a special case and is called the diameter. A chord can connect any two points on a circle.


What is the distance from one point on a circle to another that passes through the center?

The distance through the center of a circle is called the diameter.