# To know more about graph [http://pages.cs.wisc.edu/~paton/readings/Old/fall08/GRAPH.htmlclick here]
# To know more about graph [http://pages.cs.wisc.edu/~paton/readings/Old/fall08/GRAPH.htmlclick here]
+
# to see the videos on pi chart and histogram[https://www.khanacademy.org/math/in-eighth-grade-math/intro-graphs/introduction-to-graphs/v/reading-pie-graphs-circle-graphsclick here]