Draw a pie chart showing the following information

Asked by admin @ in Math viewed by 359 People

"Question 3 Draw a pie chart showing the following information. The table shows the colours preferred by

a group of people.
Colours Number of people
Blue 18
Green 9
Red 6
Yellow 3
Total 36
Data Handling Page 82"

Answered by admin @


Circle Graph or Pie-chart

 


Pie chart is also called circle graph.



A circle graph( π graph) shows the relationship
between a whole and its part. The whole circle is divided into sectors. The
size of each sector is proportional to the activity or information it represents.


 


The total angle at the centre of a circle
is 360°. The central angle of the sectors will be a fraction of 360°.



 To draw the Pie chart, follow the following  instructions:


First make a table to find the centre angle
of the sectors




1) Draw a circle with any convenient radius. Mark its centre (O) and a radius
(OA).




2. Start with one activity,

Use the protractor to draw the angle of the sector.


3. Continue marking the remaining sectors.

==========================================================

Pie graph & table is in the attachment....


central angle = 360° &  total number of people = 36

=========================================================

Hope this will help you....


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