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I don’t know how to do this part

I don’t know how to do this part-example-1

1 Answer

4 votes
Since the line down the middle is straight, it has a measure of 180. Subtract 180 - 41 and and you get 139. 3 is across from it, so you can assume it is so 139. 4 is across from the original, so it is 41
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