Angles for pie charts (AQA GCSE Statistics): Flashcards
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Practise the cards
10 cards from this deck
How do you calculate the angle for a pie chart sector?
How do you calculate the angle for a pie chart sector?
Angle = (number/total) × 360°
What is the total angle in a pie chart?
What is the total angle in a pie chart?
The total angle in a pie chart is 360°.
Find angle for 30 out of 72 in a pie chart.
Find angle for 30 out of 72 in a pie chart.
Angle = (30/72) × 360° = 150°
What is the total for 90, 42, 30, and 18 flats?
What is the total for 90, 42, 30, and 18 flats?
Total = 90 + 42 + 30 + 18 = 180 flats.
What is the fraction of 90 degrees in a 360-degree circle?
What is the fraction of 90 degrees in a 360-degree circle?
90/360 simplifies to 1/4 or 25% of the circle.
What tools are essential for drawing a pie chart?
What tools are essential for drawing a pie chart?
A protractor for angles and a ruler for the circle.
Why is it important to check angles add to 360°?
Why is it important to check angles add to 360°?
To ensure calculations are correct.
What common mistake do students make in pie charts?
What common mistake do students make in pie charts?
Forgetting to find the total first.
How do you check your pie chart calculations?
How do you check your pie chart calculations?
Add all angles; they should equal 360°.
What should you do if angles don't add to 360°?
What should you do if angles don't add to 360°?
Recheck your calculations for errors.