![]() Sector of a Circle: The sector of a circle is defined as the area enclosed by two radii and the corresponding arc in a circle. There are two types of segments - minor segment and major segment. Segment in a Circle: The area enclosed by the chord and the corresponding arc in a circle is called a segment. Secant: A line that intersects two points on an arc/circumference of a circle is called the secant.Īrc of a Circle: An arc of a circle is referred to as a curve which is a part or portion of its circumference. Tangent: A tangent is a line that touches the circle at a unique point and lies outside the circle. The longest chord in a circle is its diameter which passes through the center and divides it into two equal parts. Touch the boundary of the circle at two distinct points which lie opposite to each other.Ĭhord of a Circle: A chord is any line segment touching the circle at two different points on its boundary.We should note that there can be multiple diameters in the circle, but they should: A circle has an infinite number of radii.ĭiameter: A diameter is a straight line passing through the center that connects two points on the boundary of the circle. ![]() Radius of Circle: Radius is the distance from the center of a circle to any point on its boundary. A few important parts of a circle are given below.Ĭircumference: It is also referred to as the perimeter of a circle and can be defined as the length of the boundary of the circle. There are many parts of a circle that we should know to understand its properties. ![]()
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