Mario made the mistake on everything and he needs help
if itis perimeter add all sides
if it is área multiply
<span>(-6,0) would be correct </span>
You only can if 341 has a decimal of some sorts. other than that, you cannot round it.
2x° + 1 + x° - 6 + 59°= 360°
3x° + 54° = 360°
3x = 306°
x = 102°
2(102°) + 1°= 204° + 1° = 205°
102° - 6°= 96°
205° + 96° + 59°= 360°