Q: The term for a portion of a circle between two points a and b that lie on the circle is?

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Circle

"Circle". That "same distance" is the radius of the circle, and that "given point" is the center of the circle.

This describes a chord. A chord is a mathematical term on a part of the circle. A chord uses any 2 points in a circle, not matter if they are away from the diameter line or not, they just have to be inside the circle. If you connect the 2 points you have chosen, it gives you a chord. A chord can look like a line segment. .______. This is a line segment, on the left.

Plural of locus, or position. The term is often used for a set of points, for example, a line, a circle - all the points (positions) that satisfy a certain condition.

===> "circle", with center at the "single point" and radius of the "certain distance".

Related questions

A line segment is a line that has boundaries. It's a straight line that links two points and does not extend beyond them. A line segment is most commonly used in Geometry. The term 'segment' means a portion of, or a part of. A line segment can be any portion of an existing line, and can be either a piece at one end of the line, or a piece within the length of the line. A circle segment can be either a pie shaped portion of the entire area of the circle, or a portion of the perimeter (circumference) of the circle . The latter should be expressed as a circumferential portion, to avoid confusion.

The axis is the medical term meaning the longitudinal or long portion of a structure. The Axis of the uterus points up and down (cephalocaudally).

This is the definition of a circle.

circle

Circle

Circle

"Circle". That "same distance" is the radius of the circle, and that "given point" is the center of the circle.

A triangle with VERY round points is a circle. There is no geometric term for a triangle with rounded points, but a triangle with rounded sides is known as a Reuleaux triangle. It is similar to the shape used for the piston in a rotary engine.

This describes a chord. A chord is a mathematical term on a part of the circle. A chord uses any 2 points in a circle, not matter if they are away from the diameter line or not, they just have to be inside the circle. If you connect the 2 points you have chosen, it gives you a chord. A chord can look like a line segment. .______. This is a line segment, on the left.

channel

The wavelength or its multiples.

The diameter. Feel free to facepalm.