Question 183820
It could look like any parallelogram (that's not rectangular) since you didn't give any information about the angles. 



But here are two possible parallelograms:


<img src="http://i150.photobucket.com/albums/s91/jim_thompson5910/Algebra%20dot%20com/parallelogram1-1.png">


<img src="http://i150.photobucket.com/albums/s91/jim_thompson5910/Algebra%20dot%20com/parallelogram2-1.png">



There are many other non-rectangular parallelograms that have a base of 10 cm and a height of 8 cm