Answer:
In geometry, two figures or objects are congruent if they have the same shape and size, or if one has the same shape and size as the mirror image of the other.
So as we see here, they all look the same. But I can see that it says only ONE of the PAIRS of triangles is congruent.
What I can tell is that
Number 1 and 3 are probably congruent since they both have the same shape, and size.
Please mark me brainliest!
