Respuesta :
It would be 12 x 3. This is because 4 x 3 is 12. He wants to triple the area. Multiply 12 by 3= 36. Hope it helps.
Answer:
12 x 3
Step-by-step explanation:
the area would need to be greater than 3^3, so 27 or greater . 4x3 is 12 (L) & 12x3 (W) is 36 feet.