# Introduction to Graphs - NCERT Class 8 Maths

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The chapter 15 begins with an introduction to graphs which states that the purpose of the graph is to show numerical facts in visual form so that they can be understoodquickly, easily and clearly.Thus graphs are visual representations of data collected.These visual representations are of various types such as Bar graph, a Pie graph (or a circle-graph) ,a histogram,and line graph are some of the examples which are dealt separately in the chapter.The next topic of discussion is linear graphs in which location of a point, co-ordinates and other related terms and applications are discussed in detail.

## Exercise 15.1

## Exercise 15.2

## Exercise 15.3

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Introduction to Graphs | Solved Examples