Circle geometry trial#
Start by signing up for a free trial and learn from the best in the industry. Let us help you achieve mastery in GMAT Geometry. Geometry is an essential topic to ace if you plan to score 700+ on the GMAT. Now that we know all the terminologies related to the circles, let us learn about the properties of a circle.
A semi-circle is obtained when a circle is divided into two equal parts. By default, we only consider the Minor sector unless it is mentioned otherwise.Ī semi-circle is half part of the circle or,. On joining the endpoints with the center, two sectors will be obtained: Minor and Major. Major Arc: The longer arc created by two points.Ī Sector is formed by joining the endpoints of an arc with the center. Minor arc: The shorter arc created by two points. The arc of a circle is a portion of the circumference.įrom any two-points that lie on the boundary of the circle, two arcs can be created: A Minor and a Major Arc. So, the length of the circle or the perimeter of the circle is called Circumference. It is the measure of the outside boundary of the circle. Hence, Diameter = Twice the length of the radius or “D = 2R”. And, the other part from the center to another boundary point. One part from one boundary point of the circle to the center. So, logically a diameter can be broken into two parts:. Diameterĭiameter is a line segment, having boundary points of circles as the endpoints and passing through the center. Radius is the fixed distance between the center and the set of points. So, the set of points are at a fixed distance from the center of the circle. The fixed point in the circle is called the center. Let us now learn a bit about the terminology used in circles. 
When a set of all points that are at a fixed distance from a fixed point are joined then the geometrical figure obtained is called circle. Important Properties of Circle – Related to angles and circles.
Important Properties of Circles – Related to Lines.
in this article, we cover the important terms related to circles, their properties, and various circle formulas.įollowing is a brief outline of the topics that we will cover in this article: The word circle is derived from the Greek word kirkos, meaning hoop or ring. A circle is a closed shape formed by tracing a point that moves in a plane such that its distance from a given point is constant.
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