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

Options:

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

Correct Answer: 12

Solution:

The length of the diagonal can be found using the Pythagorean theorem: d = √(width^2 + height^2) = √(6^2 + 8^2) = √(36 + 64) = √100 = 10.