Respuesta :

xenia168

Answer:

m∠UTV = 80°

Step-by-step explanation:

m∠BTU = m∠U + m∠UVT

20x = 60 + 7x + 5

13x = 65

x = 5

m∠UTV = 180° - m∠BTU

m∠UTV = 180 - 20(5) = 80°

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