Please help!! I already missed two!

Answer:
30,40,50
Step-by-step explanation:
We use the Pythagorean theorem to find out if they would be sides of a right triangle
the Pythagorean theorem states that the two shorter sides squared added together equal the longest side square
for 30, 40 , 50
[tex]30^2=900\\40^2=1600\\1600+900=2500\\50^2=2500\\2500=2500[/tex]
2500=2500 therefore that is the correct answer