The given angles are =
(x+40)° and 3x°
As the given angles are opposite to each other on the intersecting lines, so they are vertical angles. These are congruent or equal.
So, [tex]x+40=3x[/tex]
[tex]2x=40[/tex]
[tex]x=20[/tex]
Hence x = 20°
The given angles are =
(x+40) = 20+40 =60°
3x = 3*20 =60°
