Can someone plsss help me with my math practice quiz I really need help

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Need on this one asap im almost done with this subject