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Please explain how this works

Please explain how this works
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3 votes
Please explain how this works

Please explain how this works-example-1
User Tim Davies
by
7.9k points

2 Answers

6 votes
It is pointing to the angle so use the equation -39 + x = 146 to find the answer i believe.
User Leonardo Cruz
by
8.2k points
5 votes

C. 73

(-39+x)+146=180

-39+146=107

107+x=180

-107 -107

x= 73

User Ringo Blancke
by
8.3k points
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