Question: What is the distance between the center of a circle at (2, 3) and a point on the circumference at (5, 7)?

Options:

1. 5
2. 4
3. 3
4. 6

Correct Answer: 5

Solution:

Distance = √((5-2)² + (7-3)²) = √(3² + 4²) = √(9 + 16) = √25 = 5.