Drawing and Measuring Pie Chart Sectors

The video tutorial explains how to draw a pie chart by calculating frequencies and dividing the circle into sectors. It demonstrates the process with two examples, showing how to calculate the degree of each sector and draw them accurately using a protractor. The tutorial also provides tips for verifying the accuracy of the pie chart and concludes with additional resources for further learning.

What is the first step in creating a pie chart from survey data?

• Drawing the circle

• Calculating total frequency

• Labeling the sectors

• Choosing colors for each sector

How many degrees are there in a full circle?

• 90 degrees

• 360 degrees

• 270 degrees

• 180 degrees

What is the total frequency of students in the first example?

• 20

• 22

• 24

• 26

If a pie chart represents 24 people, how many degrees does each person represent?

• 20 degrees

• 15 degrees

• 10 degrees

• 25 degrees

How many degrees is the sector for English in the first example?

• 135 degrees

• 120 degrees

• 90 degrees

• 105 degrees

What is the degree measure for the Maths sector in the first example?

• 150 degrees

• 165 degrees

• 180 degrees

• 195 degrees

What is the degree measure for the History sector in the first example?

• 50 degrees

• 60 degrees

• 70 degrees

• 80 degrees

What is the degree measure for the Geography sector in the first example?

• 35 degrees

• 30 degrees

• 25 degrees

• 20 degrees

What tool is essential for drawing accurate sectors in a pie chart?

• Calculator

• Ruler

• Compass

• Protractor

What is the first step in drawing a sector with a protractor?

• Label the sector

• Draw a straight line

• Align the zero with the top of the circle

• Mark the center of the circle