Respuesta :

TheAnimeGirl

[tex]answer = 105° \\ solution \\ let \: < def \: be \: x \\ x + 28 + 47 = 180°(sum \: of \: angle \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: in \: triangle) \\ or \: x + 75 = 180 \\ or \: x = 180 - 75 \\ x = 105° \\ hope \: it \: helps[/tex]

Hi1315

Answer:

[tex]105 \: \: \: degrees[/tex]

Step-by-step explanation:

Angles in a triangle = 180°

Let the DEF be = x

Let's solve now

[tex]28 + 47 + x = 180 \\ 75 + x = 180 \\ x = 180 - 75 \\ x = 105[/tex]

hope this helps

brainliest appreciated

good luck! have a nice day!

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