Which side lengths form a right triangle? Choose all answers that apply:
Choose all answers that apply:

(Choice A)
A
5
,
6
,
30
5,6,
30
​
5, comma, 6, comma, square root of, 30, end square root

(Choice B)
B
2.5
,
18
,
5
2.5,
18
​
,52, point, 5, comma, square root of, 18, end square root, comma, 5

(Choice C)
C
2
,
2
,
6
2
​
,2,
6
​