A room is 74 cm long and 61 cm wide. Aliza wants to carpet the area 2 cm wide all around outside the room. Find the area of the carpeting part of the room?
Answer: 556 cm²
Explanation
Area of carpeting part = (74 + 4) * (61 + 4) - 74 * 61
= 78 * 65 - 4514
= 5070 - 4514
= 556 cm²
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