3. 6. 9. 12. 15. 18. 21. 24. 27. 30. 33. 36.
Answer:
Step-by-step explanation:
Hope this helps u!!
Alright, so let's make the length x and the width y. 2y=x, and xy=area. 2x+2y=perimeter. Plugging 2y=x into the perimeter equation, we get that 3x=perimeter=126, and x=126/3=42
Length=42ft, width=21ft
Well area of a triangle is

so,

The answer is 8