Answer:
55 cm^2
Explanation:
Find the area of the large rectangle
A = l*w = 9*7 = 63 cm^2
Then find the area of the unshaded rectangle
A = l*w = 4*2 =8cm^2
Subtract the unshaded area from the large rectangle
63 - 8 =55 cm^2
The shaded area is 55 cm^2