Question

compute the value of x in each of the following figures.

Answer 1

hey..where are the figures

plz check you answer again I think something is missing..

Answer 2

In Δ ABC,BA=BC(data)

∴∠BAC=∠BCA=20°

[Base angles of an isosceles traingle]

∠ABD=∠BAC+∠BCA

[Exterior angle=Sum of interior opposite angle]

x=20+20

x=40°