Question

Could someone see if this is right? thank you !

Answer 1

It is right because the two rectangles have different side lengths.

Answer 2

Your answer is correct because the ABCD rectangle is solved like this:
4x2=8
2x2=4
8+4=12

Answer=12

EFGH rectangle is solved like this:
8x2=16
6x2=12
16+12=28
Answer=28

Both rectangles have different answer and size so they are definitely not similar so you are DEFINENTLY RIGHT! Lol!