Question: What is the distance from the center of a circle to a chord if the radius is 13 cm and the chord length is 10 cm?

Options:

1. 5
2. 6
3. 7
4. 8

Correct Answer: 6

Solution:

Using the formula d = √(r² - (c/2)²): d = √(13² - (10/2)²) = √(169 - 25) = √144 = 12.