7 ∈ Sr (5) -->?
- d(5,7) < r
- d(5,7) ≠ r
- d(5,7) > r
- None
Explanation
The notation 7 ∈ Sr (5) indicates that point 7 belongs to the circle Sr (5), which means it is on the circle.
Since point 7 is on the circle, the distance between the center (point 5) and point 7 is equal to the radius r.
The correct answer is d(5,7) < r.
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