0
Wiki User
401
1,000,000,000
20x20=400 THANKS!!
400 20x20=400x1=400
400 (20x20) square inches is 2.78 square feet.
20x20 = 400 2x4= 8 400/8= 50 needed
400
2x2x2x2x
20x20
25p
14
It is 35.