miatedwards263
miatedwards263
30-10-2020
Mathematics
contestada
find the value of x
Respuesta :
Аноним
Аноним
30-10-2020
Answer:
48°
Step-by-step explanation:
x + 3x-12 = 180
4x-12 = 180
4x=192
x=48°
Answer Link
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