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10 cards from this deck
It represents 1/4 of the total data in the chart.
Number = 128/360 * 135 = 48 people.
Angle = 15/135 * 360 = 40°.
Number = 32/360 * 135 = 12 people.
All angles must add up to 360°.
Ensure all angles sum to 360°.
Angle = (number/total) * 360°.
It visually displays qualitative data.
Use a protractor, center it on the chart.
Angles are proportional to the quantities they represent.
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