Respuesta :
Answer:
7
Step-by-step explanation:
area = l * w
we know one side is 12, and area = 84, so
84 = 12x
divide by 12
x = 7
Answer:
7
Step-by-step explanation:
area = l * w
we know one side is 12, and area = 84, so
84 = 12x
divide by 12
x = 7