If the hypotenuse is 25 cm and one leg is 7 cm, the other leg is

1. Use b^2 = c^2 - a^2. 2. b^2 = 25^2 - 7^2 = 625 - 49 = 576. 3. b = sqrt(576) = 24. 4. So the other leg is 24 cm. _Source: Selina Concise Mathematics Class 9, Ch on Pythagoras Theorem (Mistral OCR'd PDF), section on word problems_