A circle can be divided into 360 equal units of measure, which we call degrees. In other words, an entire circle is made up of
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A pie chart is a diagram used to compare the relative sizes of different parts of a whole. For example, the pie chart to the right, adapted from a USA Today survey, describes people’s hand-washing tendencies when using a public restroom. In this case, the whole is the number of people surveyed, and each of the parts is the percentage of folks that gave a certain response. Since 70% of respondents said “Always,” the “Always” category fills 70% of the circle. This represents
Now let’s see if we can build a pie chart that illustrates the amount of time spent on various activities for the student survey that began this lesson.
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