David drew this diagram of a picture frame he is going to make. Each square represents one square inch.
What is the area of the picture frame? The picture
frame is represented by the blue squares.
O A 12 in
16-
14-
12-
10
8-
6-
4-
OB 40 in?
oC 120 in?
OD 48 in?
2-
0 2 4 6 8 10 12 14 16 18