This looks like an incomplete answer to me...
I cannot see any diagram or window or opening, or any lines that indicate they are line AC or BD.
Answer:
B
Step-by-step explanation:
They are not similar.
Where are the options?
there are 6 cakes if there are 60 cookies
1:10
60÷10=6
1:10 (multiply both sides by 6)
6:60 there are 6 cakes
x=6
3+x=9
-3 -3