O
1. ZTVS and RVS are right angles (given)
2. ZTVS RVS (Right Z Thm.)
3. V is midpoint of TR (given)
4. TV ≈ VR (Def. of midpoint)
5. TSRS (given)
6. VS bisects ZRST (given)
7.ZTSV
RSV (Def. of bisector)
A
8. VS SV (Reflex. Prop. of ≈)
9. LT/R (Third angles Thm.)
10. ATSVA RSV (Def. of congruent triangles)

O 1 ZTVS and RVS are right angles given 2 ZTVS RVS Right Z Thm 3 V is midpoint of TR given 4 TV VR Def of midpoint 5 TSRS given 6 VS bisects ZRST given 7ZTSV RS class=