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

Options:

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

Correct Answer: 10 m

Solution:

Diagonal = √(length² + width²) = √(6² + 8²) = √(36 + 64) = √100 = 10 m.