Respuesta:
x = 25°
Explicación paso a paso:
Si AB//CD, entonces:
20 + 3x = x + 70
2x = 50
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Verified answer
Respuesta:
x = 25°
Explicación paso a paso:
Si AB//CD, entonces:
20 + 3x = x + 70
2x = 50
x = 25°