Question

anybody can solve these

Answer 1

14. i) z=90°(angle A and Z are linear pair)
angle EBA =180-40
x=140°( linear pair)
angle ACB = 180-(40+90)
=180-130
=50°
angle y= 180-50
y=130°(linear pair)
X+y+z=360°
Same as 14 you can find 15. by only using linear pair property.