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Posted on April 25, 2022 (Updated on July 9, 2025)

What does a circle consist of?

Space & Navigation

A circle is a plane figure bounded by one curved line, and such that all straight lines drawn from a certain point within it to the bounding line, are equal. The bounding line is called its circumference and the point, its centre.

What are the main parts of a circle?

The 4 main parts of a circle are radius, diameter, center, and circumference. The center of the circle is the point that is equidistant from all the sides of the circle. The radius is the length of the line from the center of the circle to any point on the curve of the circle.

What are the 5 parts of a circle?

A circle can have different parts and based on the position and shape, these can be named as follows:

  • Centre.
  • Radius.
  • Diameter.
  • Circumference.
  • Tangent.
  • Secant.
  • Chord.
  • Arc.

What are the 12 parts of a circle?

Important Circle Parts

  • Radius: The distance from the center of the circle to its outer rim.
  • Chord: A line segment whose endpoints are on a circle.
  • Diameter: A chord that passes through the center of the circle. …
  • Secant: A line that intersects a circle in two points.

How many parts does a circle have?

A circle is a round 2D shape made from one continuous side. There are eight different parts of a circle.

How do you find the parts of a circle?

The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the diameter.

How do I label a circle?

Video quote: So any line that goes from the side to the other side through the center it's called a diameter. The circumference is what we call the perimeter of a circle.

What is a circle and its properties?

Properties of Circle



A circle is a closed 2D shape that is not a polygon. It has one curved face. Two circles can be called congruent if they have the same radius. Equal chords are always equidistant from the center of the circle. The perpendicular bisector of a chord passes through the center of the circle.

What is segment of a circle in maths?

A segment of a circle can be defined as a region bounded by a chord and a corresponding arc lying between the chord’s endpoints. In other words, a circular segment is a region of a circle which is created by breaking apart from the rest of the circle through a secant or a chord.

What is chord of the circle?

A chord of a circle is a straight line segment whose endpoints both lie on a circular arc. The infinite line extension of a chord is a secant line, or just secant. More generally, a chord is a line segment joining two points on any curve, for instance, an ellipse.

What is circle equation?

We know that the general equation for a circle is ( x – h )^2 + ( y – k )^2 = r^2, where ( h, k ) is the center and r is the radius.

What is a circle diameter?

Diameter of a circle



The diameter is the length of the line through the center that touches two points on the edge of the circle.

What is origin of a circle?

Origin: the center of a circle. Radius: the distance from the center of a circle to any point on it. Diameter: the longest distance from one end of a circle to the other.

How many diameters does a circle have?

infinite

The distance from the center to a point on the circle is called a radius. Every circle has an infinite number of possible diameters. The formula for finding the diameter of a circle is two times the radius (2 * radius).

Where is the radius of a circle?

Radius is one of the important parts of a circle. It is the distance between the center of the circle to any point on its boundary. In other words, when we connect the center of a circle to any point on its circumference using a straight line, that line segment is the radius of that circle.

What is the center of the circle?

The center of a circle is the point equidistant from the points on the edge.

What is secant in circle?

In geometry, a secant is a line that intersects a curve at a minimum of two distinct points. The word secant comes from the Latin word secare, meaning to cut. In the case of a circle, a secant intersects the circle at exactly two points.

How many radius does a circle have?

infinite

Every circle have infinite no. of Radii. This because no. of points on the circumference of circle is infinite.

How many chords are in a circle?

R D Sharma – Mathematics 9



2 chords divide a circle into 4 regions.

What is the half of a circle called?

A semicircle is half of a circle.

How is a circle usually named?

A circle is named by its center. Thus, the circle to the right is called circle A since its center is at point A. Some real world examples of a circle are a wheel, a dinner plate and (the surface of) a coin. The distance across a circle through the center is called the diameter.

What is circle shape?

A circle is a round shaped figure that has no corners or edges. In geometry, a circle can be defined as a closed, two-dimensional curved shape. A few things around us that are circular in shape are a car tire, a wall clock that tells time, and a lollipop. Center of a Circle.

Which line contains a chord of a circle?

A secant line is a line that intersects a circle at two points. Every secant line, therefore, contains a chord of the circle it intersects.

Is a circle a line?

A circle is a type of line. Imagine a straight line segment that is bent around until its ends join. Then arrange that loop until it is exactly circular – that is, all points along that line are the same distance from a center point. There is a difference between a circle and a disk.

How do you make a chord in a circle?

How to Draw the Chord of a Circle?

  1. Mark the center of the circle as O and using a compass draw a circle with a radius of 2 inches.
  2. Then, mark a point C on the circumference of the circle, and with C as the center draw an arc that cuts the circumference at another point D.
  3. Join C and D.


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