Question

find the value of the unknown angles​

Answer 1

To Find X,

40°+25°+x=180° (By angle sum property)

→ 65°+x=180°

→x=180°- 65°

→x=115°

To Find Z, (Vertically Opposite Angle)

X=Z=115°

To Find Y,

Z+Y= 180° (Linear Pair)

→115°+Y=180°

→Y=180°- 115°

→Y=65°