madison64
madison64
16-08-2017
Mathematics
contestada
What's this answer ? Idk how to work this
Respuesta :
Banabanana
Banabanana
16-08-2017
93° and (3x+18)° are supplementary angles (
they add up to 180°
)
93 + 3x + 18 = 180
3x = 180 - 93 - 18
3x = 69
x = 69/3
x = 23
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