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liq [111]
3 years ago
6

The question is in the figure below.

Mathematics
1 answer:
Alex777 [14]3 years ago
4 0
If a ║ b then m<3 + m<6 = 180 (same-sided interior angles)
so
2x + 15 + 3x + 10 = 180
5x + 25 = 180
5x = 155
  x = 31

Answer
x = 31 makes a ║ b

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