Respuesta :

reagansheppardd
The missing angle is 50. 40 + 90 = 130. 180 - 130 = 50.
zlkabir2010

Answer:

The missing angle is 50

Step-by-step explanation:

40 + 90 + x = 180

x = 180 - 90 - 40

x = 50

The missing angle is 50.

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