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Mathematics

The following table shows the market position of different brands of tea leaves.
Brands A B C D others
% Buyers 35 20 20 15 10
Draw a pie-chart to represent the above information.

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Answer

Steps:

Since the angle about the center of a circle is 360°, divide 360° in proportion to the given data. In this question, divide 360° in proportion 35 : 20 : 20 : 15 : 10 to obtain the corresponding central angles.
Make a table as given.

Brands	Buyers	Central Angles
A	35	$\dfrac{35}{100} \times 360°$ = 126°
B	20	$\dfrac{20}{100} \times 360°$ = 72°
C	20	$\dfrac{20}{100} \times 360°$ = 72°
D	15	$\dfrac{15}{100} \times 360°$ = 54°
Others	10	$\dfrac{10}{100} \times 360°$ = 36°
Total	100	360°

Draw a circle of any suitable radius.
For each central-angle, draw a sector.

The following table shows the market position of different brands of tea leaves. Data Handling, Concise Mathematics Solutions ICSE Class 8.

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