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Alla [95]
3 years ago
8

The question is in the picture along with the answer choices please help!!

Mathematics
1 answer:
scZoUnD [109]3 years ago
3 0
Vertical angles equal eachother
set angle 4 and angle 8 equal to eachother
3x=x+40
-x both sides
2x=40
÷2 both sides
x=20
solve for angle 4
3 (20)
60 B
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