A rectangular garden is 20 m long and 15 m wide. If a path of width 2 m is built around the garden, what is the area of the path?
Area of the garden = length * width = 20 * 15 = 300 m². Dimensions of the garden including the path = (20 + 2*2) * (15 + 2*2) = 24 * 19 = 456 m². Area of the path = Total area - Area of the garden = 456 - 300 = 156 m². Correct option: a) 156 m²
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