Answer
Option B is the answer.
B) HL
Step-by-step explanation
From the given figure we get the center line is common to these two triangle.
Which is perpendicular to the base. So the two triangles are right angled triangle
Then another point given is that hypotenuse of two triangle are congruent.
By HL criteria for triangle congruence allows to immediately conclude that the triangles are congruent .