Question

In the figure given above find the value of x and y and then show that
AB || CD​

Answer 1

X=130°

Y=130°

Step-by-step explanation:

X+50°=180°( linear pair)

X=180°-50°

X=130°

Also,

Y=130°( vertically opposite angle)

therefore, x=y

so, alternate angles are equal

from theorem 6.3

AB||CD