2 answers:
Answer: 48 sq. cm.
Step-by-step explanation:
Area = l x w
= 12 x 4 = 48 sq. cm.
Answer:

Step-by-step explanation:
Use the formula for the area of rectangle.

Area = 
Length = 
Width = 


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Answer:
8 x 4 x 12 = 384
Step-by-step explanation:
8 x 4 x 12 = 384
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