# Writing a formal proof for this statement?

• Jul 31st 2011, 05:56 PM
Crayola
Writing a formal proof for this statement?
Given a quadrilateral, prove that its diagonals bisect one another if and only if it is a parallelogram
• Jul 31st 2011, 06:10 PM
pickslides
Re: Writing a formal proof for this statement?

Parallelogram - Wikipedia, the free encyclopedia
• Jul 31st 2011, 06:20 PM
Crayola
Re: Writing a formal proof for this statement?
Quote:

Originally Posted by pickslides

Parallelogram - Wikipedia, the free encyclopedia

I read the article, and it did mention about the intersecting, but it doesn't provide me win enough information on how to prove it.
• Jul 31st 2011, 06:22 PM
pickslides
Re: Writing a formal proof for this statement?
Hi Crayola, thanks for the reply.

Maybe do an extended google search yourself?
• Jul 31st 2011, 06:30 PM
Crayola
Re: Writing a formal proof for this statement?
Quote:

Originally Posted by pickslides
Hi Crayola, thanks for the reply.

Maybe do an extended google search yourself?

I did before posting it on here, no such luck
• Jul 31st 2011, 06:38 PM
pickslides
Re: Writing a formal proof for this statement?
I managed to do a search and found this.
Lesson Proof: The diagonals of parallelogram bisect each other
• Aug 1st 2011, 01:17 PM
Crayola
Re: Writing a formal proof for this statement?
Quote:

Originally Posted by pickslides

Thanks a lot!