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When we observe that many collinear points are joined together to form a line, this line goes endlessly in both the directions and has no fixed endpoints. So we say that the line extends endlessly in both the directions and so it does not have any fixed length. We say that the pair of lines, when intersect each other, so that they  meet each other at only one point, then we say that the two lines are intersecting Also we  say the meeting point of these two intersecting lines as the point of intersection.
Now we will learn what is a Perpendicular Line?
 If we have a pair of intersecting lines such that the angles so formed at the point of intersection of the two lines is 90 degrees then we say that the pair of lines are Perpendicular Lines
If we look at the + sign, it shows that the two lines are perpendicular. The English alphabets: L, T, H F and E are formed by joining two or more perpendicular lines.
Also we know that if the two angles which are supplementary to each other are joined as the adjacent angles, then the pair of such angles, formed the  pair of perpendicular lines  by their uncommon arms.
In on a straight line a perpendicular line is drawn, we say that two angles of 90 degrees is formed. So we say that a perpendicular line drawn on the straight line divides the line into two equal angles of 90 degrees each.
Also if we look around us in our daily life examples, we say that the edge of the wall, edge of the table and many such objects forms a pair of perpendicular lines.

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interpret data

Hello students, in this section we are going to discuss the Interpret data taken from Maharashtra state board books. Interpret data is the means of analyzing the data. The interpretation of data depends on the several factors. Such as: -
-On variable: - A variable is an element in the data set. Variables value may vary in different conditions.
-Types of variables: - Qualitative means non numerical quality
Quantitative means numerical that may be discrete and continuous.
Tables and graph data: - We store the data in the tables and represent that data by the help of the graphs.
If we talk about the simple meaning of the interpretation, then it is a process of giving some meaning to the symbols of the formal language. Interpretation is the step by step process from top to bottom to assigning the meaning of those things which cannot be easily read by the human beings. Generally in these days various interpretation tools have developed to make the interpretation of data easy.
The data interpretation uses the statistics approaches to analyze some meaningful facts from the research facts. It is not necessary that two different researchers interpret the same type of data on the same way. A interpret result may be anything means a number, a average of two or more number.
The other meaning of the interpretation is: - explanation of the symbols, to take the significance of the formal language.
So it is noted that to understand the interpret data in probability we have to follow some kind of steps.
It means the steps that comes in analyzing of the data are also comes in interpret of data. The interpret data in probability is also done on the same way that we studied above.

In upcoming posts we will discuss about Problem solving strategies and Symmetry of geometric figures. Visit our website for information on list of rational numbers