![]() Quadrilateral Properties | Trapezium, parallelogram, Rhombus Types of Triangles With examples | Properties of Triangle Point in Geometry | Collinear Points and non-collinear points Examples Opposite Rays: Two rays with same initial point and extending indefinitely in opposite directions along the same line, then such rays are called opposite rays. We are unable to draw it on paper but just we represent it. Here, ,, are rays with same initial point O.Ħ. ![]() Infinite number of rays can be drawn with the the same initial point. In the below figure is a ray with starting point P and is a ray with starting point Q. In the above figure is one and only one ray having initial point P and passing through another point QĤ. There is one and only one ray having given point as initial point and passing through another given point. A ray has only one endpoint also called initial point or starting point.ģ. Here PQ is a ray with initial point P and it is denoted as ” “ Properties of Ray:ġ. A line segment extending endlessly in one direction is called Ray. RayĪ ray can be defined as, it is a part of a line with one end point. Two lines segments are said to be congruent, if their lengths are equal. Line segment is a path between two pointsĤ.The distance between two points P and Q is called length of denoted as PQ. Line segments in the above figure – AB, AC, AD, BC, BD & CD In the above figure P and Q are two points and the shortest distance between them is called a line segment. The portion of the line “l” between points P and Q is called the line segment PQ. It is the set of all points between the end points and also including endpoints.įor example P and Q be two points in a plane and “ l” be the line passing through P and Q. etc ) Line-segmentĪ line-segment is a part or portion of a line with two end points. Line AB, Line AC, Line AD, Line BC, Line CD, Line CB. Line PQ, Line QR, Line PR , Line PQ, Line QR, Line RP. Generally the basic idea of a line is its straightness We also denoted by small English alphabets as l, m, n. Here the arrow heads in opposite directions of line suggests that it extends in definitely in both the directions.Ħ. We are unable to draw a line on a paper just we represent it on paper.ĥ. A line has no end points and has infinite number of points on it.Ĥ. Line is the shortest distance path between two points extending indefinitely in both the directionsģ. But generally the word “line” usually refers to a straight line. Line is a set of infinite points which extend indefinitely in both directions without width or thickness.Ī line can be defined as the shortest distance between any two points.įrom the above figure line has only one dimension of length.Ī line may be straight line or curved line. Use the edge of your index card to make sure you have a straight angle.Lines | Line segments | Rays | All Math Tricks LineĪ line is breadthless length. Use a corner of your index card to make sure you a have a right angle 90 degreesĨ Straight Angle Forms a straight line Angle is 180 degrees The two rays that form the angle are called sides.Ħ Angles There are four types of angles Right angle Straight angleħ Right Angles Forms a square corner Forms a 90 degree angle. Lines do not intersect but are in the same plane Intersecting Lines Lines meet at one point Perpendicular Lines Lines form a right angleĥ Angles An angle is formed when two rays have the same endpoint. BĤ Geometry Parallel Lines Intersecting Lines Perpendicular Lines Aģ Geometry Ray Part of a line that has one endpoint and extends endlessly in the other direction Plane An endless, flat surface that is named by any three points not on the same line.A. A Geometry Point Line Line segment An exact location in spaceĪn endless collection of points along a straight path Line segment Part of a line that has two endpoints. 1 Geometry Point Line Line segment Ray Plane Parallel linesĢ.
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