Respuesta :

Option A is correct
assuming we use the Pythagorean theorem whose formula is c²= √a² + b²
  C being the longest side, a=15 and b=20

c² = √15²+ 20²
c² = √625
c= 25

if you try this formula with the other options it shows it's not a right triangle
xmascreeper05

Answer:

15,20,25

Step-by-step explanation:

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