Question

pls proof this question​

Answer 1

Answer:

it's to hard for me to solve sorry I can't solve it

Answer 2

Answer:

Step-by-step explanation:

Given: EFllCD

to prove: ABllCD

proof: since EFllCD

       <FEC+<ECD=180  (co-interior angles are supplementary)

       165+<ECD=180

        <ECD=180-165

                 =15

<2=25+15=40

<1=<2

but these angles form equal alternate interior angles for lines AB and CD

therefore,  ABllCD

                        , hence proved