Answer:
1. 12 ft squared
2. 4 ft squared
3. 8 ft squared
Explanation:
1. multiply (length x width) to get the area of the piece of wood before it was cut out. 3ft x 4 ft
2. the door is 2 ft x 2 ft so just multiply both
3. area Miguel needs to paint: answer to question 1 MINUS answer to question 2 (as seen in the diagram)