The triangles are congruent ....... (Using SAS Postulate)
∴RS=TU and RS||TU
In △TMU,
∠MTU+∠TMU+∠MUT=180∘ ------sum of interior angles of a triangle
∠MUT=∠MTU -------angles opposite to equal side in triangle
∴∠MUT=180∘−50∘2
∠MUT=65∘
Therefore, from the given options only C is not true.
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