Question

HELP ME PLZZ, MEDAL AND FAN!!!

Answer 1

@Directrix

Answer 2

@Adam96

Look at the correspondence of vertices of the triangles as given by the order of the letters in the naming of the triangles.

Answer 3

ABC
PQR

A<->P
B<->Q
C<->R

And, recall that corresponding parts of congruent triangles are congruent.