Question

please answer the question​

Answer 1

Answer:

the circle graphs are commonly called pie charts or pie graphs .

Step-by-step explanation:

a circle graphs shows the relationship between a whole and its part. The total angle of a circle ( pie chart) is 360° , the angle of the sector corresponding to an item can be found using the formulae.

Angle of sector = value of item/ sum of values of all item × 360°

Answer 2

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• Pie charts are used in data handling and are circular charts divided up into segments which each represent a value. Pie charts are divided into sections (or 'slices') to represent values of different sizes. For example, in this pie chart, the circle represents a whole class.

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What is a Pie Chart?

A Pie Chart is a type of graph that displays data in a circular graph. The pieces of the graph are proportional to the fraction of the whole in each category. In other words, each slice of the pie is relative to the size of that category in the group as a whole. The entire “pie” represents 100 percent of a whole, while the pie “slices” represent portions of the whole.

The following chart shows water usage (image courtesy of the EPA). You can see that toilet water usage is greater than shower water usage because the piece of the “pie” is greater:

Pie charts give you a snapshot of how a group is broken down into smaller pieces. The following chart shows what New Yorkers throw in their trash cans. You could read that New Yorkers (perhaps surprisingly) throw a lot of recyclables into their trash, but a pie graph gives a clear picture of the large percentage of recyclables that find their way into the trash

Examples :

A pie chart can be used to represent the relative size of a variety of data such as:

• The type of houses (1bhk, 2bhk, 3bhk, etc.) people have
• Types of 2 wheelers or 4 wheelers people have
• Number of customers a retail market have in all weekdays
• Weights of students in a class
• Type of cuisine likes by different people in an event

Uses of Pie Chart :

• Within a business, it is used to compare areas of growth, such as turnover, profit, and exposure.
• To represent categorical data.

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