Question: What is the length of the hypotenuse in a right triangle with legs of lengths 3 cm and 4 cm?

Options:

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

Correct Answer: 5 cm

Solution:

Using the Pythagorean theorem, hypotenuse = √(3² + 4²) = √(9 + 16) = √25 = 5 cm.