Answer :

Boriscat

Answer:

The answer is 60

Step-by-step explanation:

reasoning: we know that in a triangle all three sides add up to 180

SO we can divide 60 by 180 which is 3.

we can also do 180-60 which is 120 then find out what is half of 120 which is 60.

Pls brainliest have a good day!

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