Discussion
If there is a 20% increase in the number of students who play football, and the total number of students remains the same (1200), what will be the new central angle for the Football sector?
Answer: B
Original number of football students = 25% of 1200 = 300.
A 20% increase means the new number is 300 * 1.20 = 360.
The new percentage of students playing football = \(\frac{360}{1200} \times 100 = 30\)%.
The new central angle = 30% of 360° = 0.30 * 360 = 108°.
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