Answer:
B. quadrilateral; irregular
Step-by-step explanation:
Quadrilateral because it has 4 sides
Irregular because its angles and sides aren't all equal
you can do (500)(4) x 2
500 x 4 = 2000
2000(2) = 4000
86 & tends to increase
Goodluck :)
I THINK IT IS THE LAST ONE