What statement is used to prove that quadrilateral ABCD is a parallelogram?

Question

katecc379 · Answer

@TheSmartOne

katecc379 · Answer

@zepdrix

jim_thompson5910 · Answer

hint: you want to prove that

AB = CD
and
BC = AD

katecc379 · Answer

so A or d?

katecc379 · Answer

wait no C

jmoores · Answer

From the given, you can only prove that the segment bisected has congruent parts, by the Definition of Bisecting, so:

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katecc379 · Answer

C?

jim_thompson5910 · Answer

Check out this video https://www.youtube.com/watch?v=w-1vGx6Gg8g specifically watch the portion from 6:00 to 7:52

jim_thompson5910 · Answer

the person goes over a proof where if you know the diagonals bisect each other (i.e. cut each other in half), then you can determine it's a parallelogram

jmoores · Answer

The video should help you find the answer. Proofs are no fun :)

katecc379 · Answer

I'm dying through this lesson lol none of this makes sense

jmoores · Answer

Is it VLACS?

katecc379 · Answer

what?

jmoores · Answer

It's an online school. I thought this question was from that school. Oops

katecc379 · Answer

No it isn't

jmoores · Answer

Did the video help?

katecc379 · Answer

No not really I'm still confused as ever lol

jim_thompson5910 · Answer

Unfortunately the teacher messed up at 7:25. He marked the angles improperly

jim_thompson5910 · Answer

Just realized that

jmoores · Answer

From the given, you can prove that the segment bisected makes two congruent parts so triangles are not involved:

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