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 part of the pie chart representing this information is___.

$144^{\circ}$

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$154^{\circ}$

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$120^{\circ}$

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$132^{\circ}$

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Solution

The correct option is A
$144^{\circ}$

$Required central angle = \frac{percentage of buyers}{100} \times 360^{\circ}$
$\frac{40}{100} \times 360^{\circ} = \frac{2}{5} \times 360^{\circ} = 144^{\circ}$
The central angle of the sector of the pie chart representing this information is $144^{\circ}$ .

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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 part of the pie chart representing this information is___.

The correct option is A 144∘ Required central angle=percentage of buyers100×360∘ 40100×360∘=25×360∘=144∘ The central angle of the sector of the pie chart representing this information is 144∘.

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 part of the pie chart representing this information is___.

The correct option is A
$144^{\circ}$

$Required central angle = \frac{percentage of buyers}{100} \times 360^{\circ}$
$\frac{40}{100} \times 360^{\circ} = \frac{2}{5} \times 360^{\circ} = 144^{\circ}$
The central angle of the sector of the pie chart representing this information is $144^{\circ}$ .