Question

find angle x,angle y,and angle z (with steps)

Answer 1

y=20°(
in triangle abc
130°+20°+ angle acb =180°(angle sum property)
angle acb =180°-150°
=30°
angle acb =z=30°(alternate interior angle)
x=y+z(exterior angle sum property)
x=20°+30°
x=50°
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Answer 2

we know that the total sum of angles of triangle = 180
in triangle ABC
abc+bac+acb=180
130+20+acb=180
acb=180-150
=30
therefore z=30 degree
x=20+z
=20+30
=50
and y=20