All these rooms are rectangles so to find the area of the rooms multiply length by width.
Living Room: 5x4 = 20 m²
Kitchen: 4x3 = 12 m²
Dining Room: 4x2 = 8 m²
1. d.90
2. e. none of these (80)
3. a. 0
4. b. 6
5. e. none of these (10)
6. a. 5