Answer:
20/3
Step-by-step explanation:
Answer:
No. They are not in proportion
Step-by-step explanation:


So, they are not in proportion
The first y equals -3 and the second y equals -9
All you have to do is add up the side lengths we already know then subtract by the perimeter.
60.3 is the side lengths all together that we know
82-60.3=21.7
Hope this helped!!