Answer: 36 cm^2
Explanation:
Area of a rectangle = length x width.
The area of the blue rectangle is
12 cm x 5 cm= 60 cm^2
The area of the white rectangle is
8 cm x 3 cm = 24 cm ^2
Subtract the area of the white rectangle from the blue rectangle.
60 cm^2 - 24 cm^2 = 36 cm^2