Haha suena xjdie d Chen d djdjx d n be. Djdnx

Answer:
The missing side is 12.
Step-by-step explanation:
To find the answer you want to divide the sides that are similar.
15/5=3
9/3=3
Both answers are three so you want to multiply 4 by 3 which equals 12.
Answer:
The missing side is 12.
Step-by-step explanation:
divide the sides that are similar.
15/5=39/3=3
Both answers are three so you want to multiply 4 by 3 which will equal 12.