1.

Please help me please what's it's answer ​

Answer»

ong>Answer:

1.

y=80° ( Vertically opposite ANGLES)

Now by ANGLE addition property of triangle

50 + x + y = 180°

50 + x + 80 = 180°

130 + x = 180°

x = 180° - 130°

x = 50°



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