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ipn [44]
3 years ago
7

HELP What is angle 1,2,3,4

Mathematics
1 answer:
Maksim231197 [3]3 years ago
4 0

Answer:

1. 51 degrees

2. 18 degrees

3. 123 degrees

4. 39 degrees

Step-by-step explanation:

angle 1 + 72 + 57 = 180 degrees

angle 2 + 72=  90 degrees

angle 3 + 57 = 180 degrees

angle 4 + 18 + 123 = 180 degrees

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