This means each friend is equivalent to 20° in the pie chart. Image caption, Multiply each frequency by 20 to calculate the angles required. Walk = 8 × 20 = 160. Cycle = 2 × 20 = 40.

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Pie charts are often the first pick when it comes ... With a waffle chart, we can see 4% of people surveyed are vegan, while 2% are pescetarian. Data often represent different measurements ...