L1 and l2 are parallel how can I find the angle of x , y , z ?
2026-04-22 14:26:32.1776867992
Triangle and parallel lines
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1
As far as the angles are concerned, the angles are the same as though the figure were drawn with L2 lower so that it is the same as L1 and the figure were a closed figure. The closed figure would have 7 sides so the sum of it's angles would be 180*(7 - 2) = 900. The seven angles are 2 that are $a$. $x$, $y$, $x$. And 2 that are $360 -a$. These add up to $x + y + x + 720 = 900$ so $x + y + z = 180$. No more can be determined.