Respuesta :
Answer: 21 Feet Wide
Step-by-step explanation: 7ft x 3ft = 21ft wide
Answer:7*3=21
21L and 7W
21+21=42
7+7=14
42+14=56 is perimeter
Step-by-step explanation:
Answer: 21 Feet Wide
Step-by-step explanation: 7ft x 3ft = 21ft wide
Answer:7*3=21
21L and 7W
21+21=42
7+7=14
42+14=56 is perimeter
Step-by-step explanation: