Question

find x and y in given figure​

Answer 1

Answer:

y=30

x =150

Step-by-step explanation:

y=30

how?

ans- to find unknown interior add given two interior 70 + 80 = 150 , now subtract it from 180

180-150= 30

x=150

how ?

ans- to find unknown exterior add given two interior 70+80=150

Answer 2

x = 70° + 80° [Exterior Angle Property]

x = 150°

Now,

x + y = 180° [Linear Pair]

150° + y = 180°

y = 180° - 150°

y = 30°

Hope you find it helpful.