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snow_lady [41]
3 years ago
15

Can someone help me plz I'm confused

Mathematics
1 answer:
muminat3 years ago
4 0
9. 

2x+3+x+9 = 180 => 3x = 168 => x = 56;
m(<ABD) = 2*56 + 3 = 115.
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Read 2 more answers
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