vegamarisol64
vegamarisol64
27-02-2021
Mathematics
contestada
A 80
B 40
C 35
D 110
Please help
Respuesta :
MisterZeng
MisterZeng
27-02-2021
So a triangle has 180 degrees.
30+3x-10+x=180
4x+20=180
4x=160
x=40
Answer is B 40
Giving me brainiest would help a lot thanks
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