Pie Chart 1 How to draw a pie

Pie Chart 1: How to draw a pie chart S. Kelleher

EXAMPLE 72 People were surveyed about which type of T. V. programme was their favourite. The results were: TYPE/CATEGORY Genre Frequency Sport 29 Sci-fi 25 Drama Documentary 10 8 Draw a pie-chart for the information in the table above HOW OFTEN

Calculating the angles CATEGORY TOTAL SURVEY TOTAL NOTE: When doing calculations round to the nearest whole number of degrees CHECK: Total = 3600

Drawing the angles IGNORE THIS PART OF THE PROTRACTOR WHEN TAKING MEASUREMENTS OR DRAWING CIRLCES

③ Sit the on the cross-hair ④ Trace protractor outline ⑤ Spin the protractor around ① Draw ⑥ the cross-hair bottom half of the circle ② aprotractor horizontal line from the cross-hair

⑧ line from the to the ⑦ Draw Sit theaprotractor on cross-hair the cross-hair andmark the first angle: 1450

⑨ ⑩ Spin Markthe protractor next anglearound by until itfrom matches ⑪ Draw a line between thecounting cross-hair andthe up firstwith linethe youline have you drawn. drew Angle for the=first 1250 angle. mark.

⑭ Draw afrom line from thearound cross-hair mark. ⑬ Spin Count this line and place atomark for ⑫ the protractor until it the matches thewith nextthe angle. Angle = 500 up second line

⑮ The final angle is automatically drawn, so only labels need to be added. SPORT 1450 1250 SCI-FI 400 500 DOCUMENTARY DRAMA