Define : point ,line, line segment, ray, parallel lines, transversal lines, curve, and circle with suitable figure.
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Points
The most basic shape in geometry is the Point. In geometry, dots are used to represent points. A point is used to represent any specific location or position. A point can be denoted by a capital letter of the English alphabet. Points can be joined in different ways.
Line Segment
A line segment is defined as the shortest distance between two points. These points are called the end points. A line segment is made up of unlimited points. Some examples of a line segment are: an edge of a box, a tube light, and the edge of a post card.
line
A line segment is a part of a line. When a line segment from A to B (i.e. AB) is extended beyond A in one direction and beyond B in the other direction without any end you get a model for a line. A line has arrows at both ends as it can extend indefinitely in both directions. Line is made up of an infinite number of points.
Ray
A ray is a portion of a line. It starts at one point (called starting point) and goes endlessly in one direction. Examples of a ray are: Beam of light from a light house, ray of light from a torch, sun rays. A ray is named using two capital letters. The first capital letter is the starting point of the ray and the second capital letter tells the direction in which the ray is moving
Parallel lines
Line segments which will not meet, however far they are extended are called parallel lines or non- intersecting lines. Parallel lines never meet, cut or cross each other. Examples of parallel lines are: the opposite edges of ruler (scale), the cross-bars of a window, the lines on a page of the notebook, rail lines.
Curves
Curves can be defined as figures that flow smoothly without a break. A line is also a curve, and is called a straight curve. Curves that do not intersect themselves are called simple curves. The end points join to enclose an area. Such curves are called closed curves.