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Find the missing angle measure A=51°, B=82°, C=5x+2

User Lithy
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1 Answer

4 votes

I'm assuming you mean triangle angles?
If so, all angles add up to 180 so combine them and set them equal to 180.
51+82+5x+2=180
135+5x=180
5x=45
x=9

User Arthur Decker
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