Answer:
30 in^2
Explanation:
Frame
Length = 9
Width = 6
9 * 6 = 54in^2 (Multiply to get 54)
Picture
Length = 6
Width = 4
6*4 = 24in^2 ( Multiply to get 24 )
54 - 24 = 30in^2 ( Minus 24 from 54 to get 30)
Formula l*w
It's length times width NOT length times hight like the other person said