Please help!!!
I don't understand...
If possible please explain!

Answer:
The answer would be D. none
Step-by-step explanation:
A. Is wrong because SAS is Side-Angle-Side meaning that both triangles would have to have 2 congruent sides and one congruent angle in the order SAS
B. Is wrong because SSS is Side-Side-Side meaning both triangles would have to have 3 congruent sides.
C. Is wrong because HL stands for the Hypotenuse Leg Theorem which proves triangles congruent if they have a congruent hypotenuse and leg.
D. Is correct because there is not enough information in these images to prove the two triangles congruent. The only information given to us is that the two triangles each have a 90 degree angle.