Find the size of unknown angles.
Attachments:
Answers
Answered by
1
Answer:
x° = 20 (opposite angles)
angle A = x°+y°+20°= 180°
= 20°+y°+20°= 180°
= y°+ 40°= 180°
= y°= 180°-40°
= y°= 140°
angle c = 140° ( opposite angles)
Similar questions