What is a pie chart?
A pie chart (or a circle chart) is a circular statistical graphic which is divided into slices to illustrate numerical proportion. In a pie chart, the arc length of each slice (and consequently its central angle and area), is proportional to the quantity it represents. While it is named for its resemblance to a pie which has been sliced, there are variations on the way it can be presented.
Applications of Pie chart
- Pie charts are generally used to show percentage or proportional data of sales of different items in a business.
- Used in elections to show percentage of votes each party has recieved.
- Used in surveys to depict no of items in each category.
- Broadly used in database and excel sheets.
Follow the steps to add a google pie chart on a webpage:
Step 1 : Start with a simple basic web page.
Add a “div” element with the id “piechart”:
Step 2 : Adding a reference
Add a reference to the Chart API at google.com.
Explanation : The below code is used to load Google charts :
The below code is used to draw a chart and set the user specific values for each division :
The code below is used to display the chart inside the “div” element with id=”piechart” :
To get a 3d pie chart, set “is3d” option to true :
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