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DerKrebs [107]
2 years ago
12

Help me please i still struggle ​

Mathematics
1 answer:
IgorC [24]2 years ago
8 0

Answer:

59 degrees

Step-by-step explanation:

Angles on a straight line add up to 180 degrees

Angles in a triangle add up to 280 degrees

180 minus 149 is 31

31 add 90 is 121

180 minus 121 is 59

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