Please help me if you know answer

Answer:
the answer would be 36,57,87 because it has to be equal to 180
and its an acute angle
Step-by-step explanation:
Answer: The 3rd one is correct
Step-by-step explanation:
Option 1 doesn't even add up to 180 degrees
Option 2 is isosceles
Option 4 is an Obtuse triangle
This leaves only Option 3.