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Does every chord of a circle contain two points of the circle?
Yes, and the two points are located on the circumference of the circle
What are line segments with end points on a circle?
These are chords of a circle. If the chord passes through the centre of the circle it is the longest possible chord, divides the circle into two semicircles and is called a diameter.
What is a part of a circle named by its end points?
circumference * * * * * A circumference has no end-points! One possible answer is a chord.
If a circle has a diameter of 15 inches can it also have a chord of 20 inches and how?
No. A chord is a straight line drawn between any two points on the circumference of a circle. The longest chord is when the points are on opposite sides of the centre of the circle (and passes through the centre of the circle). The straight line which joins the points on opposite sides of the centre (through the centre) is called the diameter of the circle. Therefore the longest chord possible is the diameter of the circle. A circle with a diameter of 15 in can have a chord with a maximum length of 15 in.
What of a circle is a chord that has the center of the circle as one of its points?
The diameter of the circle.
