1.

8.Find x t y+z90130

Answer»

z = 180° - 30° = 150° ( linear pair)

x = 180° - 90° = 90° ( linear pair)

y = 90° + 30° = 120 ( exterior angle theorem)

x + y + z

150° + 90° + 120°

270° + 90°

360°



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