A circular playground managed by the Foundation is given by x² + y² = 100. Sachin wants to lay synthetic turf only in the 1st quadrant section. What is the area to be turfed?
A circular playground managed by the Foundation is given by x² + y² = 100. Sachin wants to lay synthetic turf only in the 1st quadrant section. What is the area to be turfed?
- A. 25π
- B. 10π
- C. 100π
- D. 50π
Answer: A) 25π
Explanation: Total area = πr² = 100π. The 1st quadrant area is exactly one-fourth of the total area, which is 25π sq units.
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