Given: ABCE is an isosceles trapezoid where AB║EC and AE ≅ AD
Prove: ABCD is a parallelogram.
Write a two-column, in-depth proof.
![Given ABCE is an isosceles trapezoid where ABEC and AE AD Prove ABCD is a parallelogram Write a twocolumn indepth proof class=](https://us-static.z-dn.net/files/def/c08e08c135943fce32239d8a6614db4c.png)