afar0800
afar0800 afar0800
  • 23-03-2021
  • Mathematics
contestada

pls help question is on picture

pls help question is on picture class=

Respuesta :

Gphakathi
Gphakathi Gphakathi
  • 23-03-2021

Answer:

We know that a triangle has angles that equal to 180°

[tex]45 + x + 77 + x + 72 = 180 \\ 194 + 2x = 180 \\ 2x = 180 - 194 \\ 2x = - 14 \\ x = - 7[/tex]

A= x+72

=-7+72

=65°

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