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marin [14]
3 years ago
12

Can someone help me please I don’t get this

Mathematics
1 answer:
Elis [28]3 years ago
8 0

all angels measure 180

1)26+134+x=+80

x=22

2)90+40+×=180

×=50

3)130+20+×=180

×=30

4)90+50+×=18

x=40

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