The area of the figure is: 57 mm²
The area of figure is the sum of the area of rectangle (with dimensions 9 mm × 5 mm) and the second rectangle ( with dimensions 3 mm × 4 mm )
We know that the area of rectangle with dimensions a×b is ab square units.
Hence,
The area of rectangle with dimensions 9 mm×5 mm is: 45 mm²
and the area of rectangle with dimensions 3 mm×4 mm is: 12 mm²
Hence, the total area of figure is:
45+12= 57 mm²
