Answer: 270 ft²
Explanation:
The dimensions of 1 room is 10 ft x 12 ft
The other room is 10 ft x 15 ft
For area multiply the length and width and add the 2 areas
so A1 = 10x12=120 ft²
A2 = 10x15 =150 ft²
Total area is 150+120 =270 ft²
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