Respuesta :

67°, every triangle equals 180° so add together 35+78 which equals 113. subtract 180-113 and get 67!

Let another angle be x

According to angle sum property

[tex]\\ \rm\Rrightarrow x+35+78=180[/tex]

[tex]\\ \rm\Rrightarrow x+113=180[/tex]

[tex]\\ \rm\Rrightarrow x=180-113[/tex]

[tex]\\ \rm\Rrightarrow x=67°[/tex]

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