# 5th Class Mathematics Geometrical Figures Point and Line Segment

## Point and Line Segment

Category : 5th Class

### Point and Line Segment

Point To show a particular location, a dot (.) is placed over it, that dot is known as point

Ex:

ln the above given picture Point A shows Aleena, point B shows Jack, point C shows James' Point D shows Kristy, point E shows Janey and point F shows Rocky.

Which one of the following figures contains the symbol of point?

Solution:

The fourth figure contains the symbol of point (.)

Line Segment

Line segment is defined as the shortest distance between two fixed points

Ex:

It is denoted as ab.

Features of a Line Segment

A line segment begins from a fixed point and ends at a fixed point. Therefore, its length can be measured. The first and the last point of a line segment are called the end points. A line segment has two end points.

How many line segments are there in the figure?

Solution:

There are 5 line segments are there in the figure

$\underline{\text{AB}}\text{,}\underline{\text{BC}}\text{,}\underline{\text{CD}}\text{,}\underline{\text{DA}}\text{,}$and$\underline{\text{AC}}$

Ray

It is defined as the extension of a line segment in one direction up to infinity.

Ex:

It is denoted as $\overrightarrow{\text{AB}\text{.}}$

Features of a Ray

A ray begins from a fixed point and goes up to infinite. Therefore, only its beginning point can be identified. A ray has only one end point and its length can not be measured.

How many rays are there in the given figure? Name them.

Explanation

There are eleven rays in the figure.

Line is defined as the extension of a line segment up to infinity in either direction.

It is denoted as 

Features of a Line

A line has no end point as it goes to infinity in either direction, therefore, neither its beginning point nor last point can be identified. That is why its length cannot be measured.

How many lines are there in the following figure?

There is only one line in the figure 

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