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Gnom [1K]
3 years ago
9

Find the value of each variable

Mathematics
1 answer:
garri49 [273]3 years ago
8 0
Triangles add to 180° and there is already 100° shown inside of the triangle (30° plus 70° = 100°). 180° -100° = 80°, which is x. X and y are vertical angles, so y is also 80°. The answer is B.
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