Resposta:
3x + 26° + 3x - 16° = 90°
6x = 90° - 10°
x = 80°/6
x = 13,4°
3x+26+3x-16
3x+10+3x
2(3x+5)
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Resposta:
3x + 26° + 3x - 16° = 90°
6x = 90° - 10°
x = 80°/6
x = 13,4°
3x+26+3x-16
3x+10+3x
2(3x+5)