Answer:
Total Area of Frame = 216 Inches Square
Explanation:
The Area of the frame will be the sum of area of its all four sides. The sides are given as 20 inches, 7 inches and 4 inches.
The area of the four walls of the frame will be
20*4 , 7 * 4 , 20*4 and 7*4
Hence total area of the frame will be
A = 20*4+7*4+20*4+7*4
= 80+28+80+28
= 216
Answer = 216 Inches square