Respuesta :

dasetka
All you have to do is use the Pythagorean theorem (a² + b² = c²) on all of them. Since, the hypotenuse is always the longest side, use the biggest number for c. 
A: 7² + 24² = 25²
   49 + 576 = 625
           625 = 625

Luckily, the answer is A.