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WAEC Mathematics 2019 Paper

Question : 46

Total: 50

Solution:

Concept:

The number of fruits in a pie chart sector is proportional to its angle.

Explanation:

Let the total number of fruits be

x

From the pie chart, the orange sector is

80^\circ

There are 60 oranges, so:

\frac{80}{360} \times x = 60

x = \frac{60 \times 360}{80} = 270

The total number of fruits is 270.

From the pie chart, the apple sector is

120^\circ

Number of apples:

\frac{120}{360} \times 270 = 90

Answer:

A. 90

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