math

write a two column proof.

Given: RS=~ TS, V is the midpoint of RT
Prove: /\RSV=~ /\TSV

/\ is the triangle sign
=~ is the congruent sign

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  1. you're given that RS≅TS

    SV equals itself (reflection)

    RV equals TV (definition of midpoint)

    the triangles are ≅ by SSS

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  2. Actually, you have to use the midpoint theorem, not the definition of midpoint because you're talking about congruence statements, not equality.

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