360 ÷ 18 = 20°. 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 × ...

Pie charts should be converted into accessible tables. It is not necessary to describe the visual attributes of the charts, e.g., red wedge, blue lines, etc., unless there is an explicit need such as ...