Question

Show that AB||EF
I will mark brainlest​

Answer 1

Answer:

In the given Fig,

Angle ABC = 66 Degree (1)

Angle BCE = 36 degree (2)

Angle ECD =30 degree (3)

Adding angle (2) and (3)

36+30= 66 Degree

since angle BCD And angle ABC are alt. interior angle and are equal therefore AB II CD

Answer 2

Please refer to the attachment. Hope it helps. If it helps, then you may mark it brainliest.