Learn how to calculate sector angles in pie charts for representing sports preferences. Get step-by-step examples and practice problems to master the concept of determining angles in pie chart sectors. Improve your data representation skills with practical exercises.
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Presentation Transcript
Representing Data: Pie Chart Representing Data: Pie Chart Angles (Version 2) Angles (Version 2) Silent Teacher Intelligent Practice Your Turn Narration 10 people chose their favourite sport. 1 person chose tennis . To show the information in a pie chart, work out the angle of the sector for tennis . Practice
Worked Example Your Turn 5 people chose their favourite sport. 1 person chose tennis . 10 people chose their favourite sport. 1 person chose tennis . To show the information in a pie chart, work out the angle of the sector for tennis . To show the information in a pie chart, work out the angle of the sector for tennis . 360 5 = 72 360 10 = 36 The angle sector for one person = 72 The angle sector for one person = 36
Worked Example Your Turn 5 people chose their favourite sport. 4 people chose tennis . 10 people chose their favourite sport. 4 people chose tennis . To show the information in a pie chart, work out the angle of the sector for tennis . To show the information in a pie chart, work out the angle of the sector for tennis . 360 5 = 72 360 10 = 36 The angle sector for one person = 72 The angle sector for one person = 36 36 4 = 144 72 4 = 288 The angle sector for four people = 144 The angle sector for four people = 288
3) 15 people chose their favourite sport. 3 people chose tennis . 20 people chose their favourite sport. 4 people chose tennis . 1) To show the information in a pie chart, work out the angle of the sector for tennis . To show the information in a pie chart, work out the angle of the sector for tennis . The angle sector for one person = 24 The angle sector for three people = 72 The angle sector for one person = 18 The angle sector for four people = 72 2) 20 people chose their favourite sport. 3 people chose tennis . 4) 12 people chose their favourite sport. 3 people chose tennis . To show the information in a pie chart, work out the angle of the sector for tennis . To show the information in a pie chart, work out the angle of the sector for tennis . The angle sector for one person = 18 The angle sector for three people = 54 The angle sector for one person = 30 The angle sector for three people = 90
