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 × ...

The pie chart below shows the heights (in \(cm ... The results are shown in the frequency diagram below. There are 6 cars with one person, 3 cars with two people, 5 cars with three people ...