Question: What is the length of the diagonal of a rectangle with sides of length 6 and 8?

Options:

1. 10
2. 12
3. 14
4. 16

Correct Answer: 10

Solution:

Using the Pythagorean theorem: d = √(length² + width²) = √(6² + 8²) = √(36 + 64) = √100 = 10.