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Question
Data collected in a survey shows that 40% of the buyers are interested in buying a particular brand of toothpaste. The central angle of the sector of the pie chart representing this information is ______.
Options
120°
150°
144°
40°
Solution
Data collected in a survey shows that 40% of the buyers are interested in buying a particular brand of toothpaste. The central angle of the sector of the pie chart representing this information is 144°.
Explanation:
Percentage of buyers who selected the particular brand of toothpaste = 40%
Central angle of the sector of pie chart representing the above information
= 40% of central angle
= `40/100 xx 360^circ`
= 144°
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