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Ugo [173]
3 years ago
12

I need help with two of these questions, question number 10 and 11

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
4 0
10) x+(x+20)+(2x+10)+(x+40)=180 degrees
5x+70=180
5x=110
x=22


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<em>Original question is attached</em>

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