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Answer:- If you want to express an angle in terms of a percentage, all you have to do is divide the angle measurement (in degrees) by 360, then multiply that result by 100. Since a circle has 360 degrees, this is the only way to do it.
There are 3600 in a circle. ie 100 percent
So 1% = 3.60
Multiply the degree that is given by 100/360 in order to convert it to a percentage that can be used in the pie chart.
For example, let us convert 900 to a percentage.
90×100/360 = 25 percent
