What is the distance between the points (1, 7) and (7, -1)?
- A. 10 ✓
- B. 14
- C. 8
- D. 12
Correct answer
A. 10
Explanation
Using the distance formula: √[(7-1)² + (-1-7)²] = √[6² + -8²] = √100 = 10.
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