Question

. Point P is the midpoint of . Point Q is the midpoint of . Point R is the midpoint of . Point S is the midpoint of .

Segment AP is congruent to segment PQ
is an invalid relation.

Because point R is the midpoint of and point S is the midpoint of , we can conclude that
segment RB is congruent to segment SD
.

Answer 1

so these points are midpoints of what ? you missed details from there - i think