Question

find the value of x and y in the following figure :​

Answer 1

Answer:

Correct option is

C

x=50

0

;y=130

0

∠CAB=80

o

[apposite angle]

As AB=AC

∴x=∠ACB

Also, by angle sum property, we have

x+x+80=180

2x=100

x=50

y=80+x=130 exterior angle property

x=50

y=130