Question

Which statement must be true to prove that a quadrilateral is a parallelogram

Answer 1

A) consecutive angles are acute.
B) opposite angles are complementary
C) consecutive angles are complementary.
D) opposite angles are congruent

Answer 2

@snowflake

Answer 3

@AZ

Answer 4

what do you know about parallelograms

Answer 5

think back just to the last question we did, what did we say about the angles?

Answer 6

Opposite angles are congruent

Answer 7

That's correct!

Answer 8

By the way, did you know that there's a "Best Response" button you can click o:

Answer 9

No

Answer 10

Are you on the app?

Answer 11

What app

Answer 12

Oh QuestionCove has an app for iPhones and Android.

So you're on the website?

Answer 13

I think

Answer 14

I don't see it

Answer 15

Click on the medal/star next to my username

Answer 16

I wonder if that will do it

Answer 17

Aha, see that's how you do it

Answer 18

I'm on a android

Answer 19

Ah, makes sense. But yeah the medals are just part of the leveling system on here

But QC on your phone is probably easier for uploading pictures!

Answer 20

What is QC

Answer 21

Oops, QC just stands for QuestionCove!

Answer 22

Ok

Answer 23

yeah, welcome to QuestionCove!! :)

Answer 24

What's the answer

Answer 25

Is it opposite angles are congruent

Answer 26

Yes, that's correct

Answer 27

and another thing that would be correct if it was an answer choice is

consecutive angles are SUPPLEMENTARY

supplementary means that they add up to 180

Answer 28

Which one is the most correct

Answer 29

they would both be correct

but the one I said isn't an answer choice so you're correct about choosing D because the rest of them are wrong

Answer 30

Ok