Question

a survey 180 people were asked to state which brand of soap they

prefer. The following table shows the outcomes ;

Brand Brand A Brand B Brand C Brand D

No. of People 70 45 35 30

Find central angle by using table and represent this information using

a pie chart. [​

Answer 1

Brandofsoap %ofvillagers Centralangle

A 50%

100

50

×360

o

=180

o

B 30%

100

30

×360

o

=108

o

C 15%

100

15

×360

o

=54

o

Others 5%

100

5

×360

o

=18

o

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