Question: What is the missing reason for the second step in the proof below? What is the missing reason for the second step in the proof

What is the missing reason for the second step in the proof below?

What is the missing reason for the second step in
What is the missing reason for the second step in the proof below? Given: T is the midpoint of OR R U is the midpoint of RS U Prove: AORS ~ ATRU STATEMENTS NS 1. T is the midpoint of OR Given U is the midpoint of RS 2. TR = OT TR+ OT - OR RU = US , RU + US = RS OR = QT +TR =TR+TR= 2TR Substitution and simplification 3. RS = RU + US = RU + RU =2RU OR 2RT RT Division property of equality, simplification 4. RS 2RU RU OR RT Property of proportion from Interchangeability 5. RS RU 6. LORS = ZTRU Reflexive property 7 . AQRS ~ ATRU SAS similarity postulate A. Definition of a midsegment O B. Simplification O C. Substitution O D. Definition of a midpoint

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