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

pls help i need it!!!!

pls help i need it class=

Respuesta :

sharonkaran
sharonkaran sharonkaran
  • 23-03-2021

Answer:

65°

Step-by-step explanation:

Angles in a triangle add up to 180° thus

45+(x+77)+(x+72)=180

45+77+72+x+x=180

194+2x=180

2x=180-194

2x=-14

x= -7

Angle A= x+72

= -7+72

=65°

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