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I need help. i dont understand-

I need help. i dont understand--example-1
User Caspii
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2 Answers

2 votes
Good luck you got this
User David Portabella
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3.1k points
5 votes

Answer:

39 degrees

Explanation:

The square indicates a right angle, or 90 degrees. 90-51=39.

User Sworoc
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