The triangle shown below has an area of 20 units square find the missing side

Plz me plz i will give a brain just plz

Which statement is true? the given sides and angles cannot be used to show similarity by either the sss or sas similarity theorems. the given sides and angles can be used to show similarity by the sss similarity theorem only. the given sides and angles can be used to show similarity by the sas similarity theorem only. the given sides and angles can be used to show similarity by both the sss and sas similarity theorems.

Are the corresponding angles congruent? explain why or why not.