If we apply the Pythagorean Theorem to the Egyptian knots we can see that
3
2
+
4
2
=
5
2
3
2
+4
2
=5
2
3, squared, plus, 4, squared, equals, 5, squared.
Which of the sets of three numbers listed would also let you form a right angle in this way?
Choose all answers that apply:

(Choice A)
A
{5, 12, 13}

(Choice B)
B
{24, 24, 30}

(Choice C)
C
{2, 5, 9}

(Choice D)
D
{36, 85, 77}