Respuesta:
A = 30°
B = 80°
C = 70°
Explicación paso a paso:
A + B + C = 180°
3x + 8x + 7x = 180°
18x = 180°
x = 10°
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Respuesta:
A = 30°
B = 80°
C = 70°
Explicación paso a paso:
A + B + C = 180°
3x + 8x + 7x = 180°
18x = 180°
x = 10°