Question

In the following figures (i) and (ii), find x, y, z

Answer 1

it is an easy way I hope it will help you

Answer 2

i) x=55°(vertically opposite angles)
y=55°+y=180°
=y=180°-55°
y=125°
z=125°(vertically opposite angles)


ii) x= 40°+x+25°=180°
65°+x=180°
x=180°-65°
x=115°
z=40°(vertically opposite angles)
y+40°=180°
y= 180°-40°
y= 140°