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User Nickie
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Answer: By SSS, ΔSUR ≅ ΔTVR.

Explanation:

This might be a longer method, but still here you go.

Given, ΔSTU ≅ ΔTSV

By CPCT, we have the following.

∠TUS / ∠RUS = ∠SVT / ∠RVT ---- 1

SU = TV ---- 2

SV = TU ---- 3

∠STU / ∠STR = ∠TSV / ∠TSR

Now, in the triangle TRS,

TR = SR ( ∠TSR = ∠STR) ---- 4

SV= TU

SV - SR = TU - TR (SR= TR)

UR = VR ---- 5

Now, we can use SSS in the triangles ΔSUR and ΔTVR

SU = TV (2)

SR = TR (4)
UR = VR (5)
Therefore, by SSS, ΔSUR ≅ ΔTVR.
Cheers

User Ryan Skarin
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