Question

I don’t know what letters go in what order, an explanation would be appreciated

Answer 1

Explanation:

Congruent triangles:

8) AC = DC Given

BC = EC Given

∠ACB ≅ ∠DCB Vertically opposite angles are congruent

ΔACB ≅ ΔDCB SAS congruent

9) RS = TS Given

SU =SU Reflexive property

∠RSU = ∠TSU Given

ΔRSU ≅ ΔTSU SAS congruent