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

(Choice A)
A
3, \sqrt9, \sqrt{18}3,
9
​
,
18
​
3, comma, square root of, 9, end square root, comma, square root of, 18, end square root

(Choice B)
B
3, 4, 53,4,53, comma, 4, comma, 5

(Choice C)
C
7, 7, \sqrt{98}7,7,
98
​