What is the distance between the points (3, -5) and (12, 7)?
- A. 15 ✓
- B. 21
- C. 13
- D. 17
Correct answer
A. 15
Explanation
Using the distance formula: √[(12-3)² + (7--5)²] = √[9² + 12²] = √225 = 15.
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