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Tomtit [17]
3 years ago
9

A 80 B 40 C 35 D 110 Please help

Mathematics
2 answers:
Studentka2010 [4]3 years ago
7 0
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
denpristay [2]3 years ago
4 0

Answer:

C 35

Step-by-step explanation:

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