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krek1111 [17]
4 years ago
7

Can anyone help me with this problem? If you can include the steps, please do! Thanks :)

Mathematics
1 answer:
8090 [49]4 years ago
3 0

Answer:1=70 2=65 3=95

Step-by-step explanation:

Angles in a triangle add up to 180°

180-45=135-65=70

1=70°

Angles on a straight line add up to 180°

180-45=135-70=65

2=65°

Angles in a triangle add up to 180°

180-65=115-20=95

3=95°

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