Respuesta:
x = 8°
Explicación paso a paso:
x + 39° + 43° = 90°
x + 82° = 90°
x = 90° - 82°
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Respuesta:
x = 8°
Explicación paso a paso:
x + 39° + 43° = 90°
x + 82° = 90°
x = 90° - 82°
x = 8°