Plz help im confused please show work for the problem

Question

asked Jan 8, 2020 123k views

1 Answer

ADdV · Answer 1 · 2020-01-13T12:53:46+0000

We know that AD is the same length as DC, so therefore we can say:

y+6=2y

Move y over to the right side of the equation

6=y

Since DC is equal to 2y, DC would equal 6x2=12