Question

Answer this now!!!.....​

Answer 1

Answer:

hey!! here's ur ans..

In the given figure

x +50 =180 [by linear pair]

x=180-50

x=130

now..

also y=130[vertically oppsite angle]

since x=y=130

so, as they are forming alternate interior angle

as AB parallel to CD

'PROVED'

Hope it helps u ☑️

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Answer 2

Answer:

We are observing from the figure that

x +50° =180°

➙ x = 180°-50°

➙ x = 130°

Again

Since vertically opposite angles are equal

So

y = 130°

Hence from above

x = y = 130°

Since x = y = 130°

So they are creating alternate interior angle

Hence AB parallel to CD

Hence the proof follows