1) 66 cm²
2) 45 cm²
3) 368 m²
Step-by-step explanation:
1) 66 cm²
The area of the composite figure is the sum of the areas of the individual shapes.
For the first shape, the area is 6 cm².
For the second shape, the area is 6 cm².
For the third shape, the area is 10 cm².
The total area is 66 cm².