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E:\Working\Focus_Learning\Math_Genius_5_(05-10-2023)\Open_Files\CHAP_13
\\November 22, 2023 5:17 PM Surender Prajapati Proof 5 Reader _________________________ Date: ___________________74
CirCle graPhs
Circle graph or pie chart is another way to represent data
graphically. Circle graphs show different parts of an information Football Cricket
putting together in the form of a whole.
In a circle graph (pie chart), a circle is divided into sectors Badminton
(slices). Each sector represents a different part of the data as a Basket ball
fraction or percentage of the complete circle. The size of each Hockey
sector shows, what part of the whole it is.
Look at the given pie chart or pie graph. It shows the favourite
sports of various students.
The biggest portion of the circle shows that most of the students like cricket.
Football is in the second place as the favourite sports of students.
Hocky is liked by a lesser number of students and badminton is liked by the least
number of students.
example 1: The circle graph shows how Lina spends her
monthly pocket money. If Lina gets `300 every month, what
fraction of her money does she spend on snacks, on travel and Travel
`50
on stationery? Stationery
Solution: Fraction of amount spent on snacks Snacks `25
Amount of money spent on snacks 150 1 `150
= = = Saving
Total pocket money 300 2 `75
1
She spends of her pocket money on snacks.
2
Fraction of amount spent on travel
= Amount of money spent on travel = 50 = 1
Total pocket money 300 6
1
She spends of her pocket money on travel.
6
Fraction of amount spent on stationery
Amount of money spent on stationery 25 1
= = =
Total pocket money 300 12
1
She spends of her pocket money on stationery.
12
example 2: The following table shows the favourite activities of class V students.
After school activity Watching TV Outdoor games Video games Reading
Number of students 24 36 24 12
Solution: Step 1: Find the fraction for each holiday activity of students.
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