2nd follow up -
Jan Krentz was kind enough to quickly respond to my plea for help. She gave me instructions in figuring out what size to cut the triangles down to match the trapezoid units I had already cut. I did as she suggested and was able to successfully figure out that I needed to cut them down to 5-5/8" sides. I will wait until another day to trim the rest (my brain is like mush now).
It will take some calculating to figure out how many more squares I need to make the size quilt I want. Then I will need to figure how how much more fabric I need. I can add different batiks for the triangles, but am hoping I have enough of the yellows for the stars so I can keep them consistent as I originally planned. If I had to, I could use different yellows, but I took so long choosing the "perfect" ones.