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Question

SeasonNo. of votesSummer90Rainy120Winter150

A group of 360 people were asked to vote for their favourite season from the three seasons: rainy, winter and summer. Find the central angle of each sector in a pie chart for the above information. [4 MARKS]


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Solution

Formula: 1 Mark
Application: 1 Mark each

Central Angle can be calculated as follows:

Season's Number of VotesTotal Votes×360

Summer's Central Angle =90360×360=90

Rainy's Central Angle =120360×360=120

Winter's Central Angle =150360×360=150


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