The triangles arenot similar (Answer choice C)
According to SAS theorem, side, angle side, two sides are know to be equal for both triangles and an included angle which is equal in both triangles.
For SSS theorem, side, side, side, here you have two traingles with all the three sides equal.
For AAS, angle, angle, side, you have two triangles where you know two angles and a non-included side to be equal.
None of the cases match the triangles.