In a right triangle, the legs are 12 cm and 16 cm. What is the length of the hypotenuse?

Step-by-step solution

1. Square each leg: $12^2=144$ and $16^2=256$.
2. Add the squares: $144+256=400$.
3. Take the square root: $\sqrt{400}=20$ cm.

Concept tested: Pythagoras Theorem

Published 13 October 2026 · How this solution was prepared and checked