Yahoo Answers is shutting down on 4 May 2021 (Eastern Time) and, as of 20 April 2021 (Eastern Time), the Yahoo Answers website will be in read-only mode. **There will be no changes to other Yahoo properties or services, or your Yahoo account.** You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

# Given AE is congruent to EC, for what value of x is quadrilateral ABCD a parallelogram?

### 3 Answers

Relevance

- stanschimLv 71 month ago
The figure will be a parallelogram if the diagonals bisect one another. Therefore, if BE is congruent to DE then it will be a parallelogram:

5x = 2x + 1

3x = 1

x = 1/3

- billrussell42Lv 71 month ago
the diagonals of a parallelogram bisect each other. so

2x + 1 = 5x

3x = 1

x = 1/3

Still have questions? Get answers by asking now.