0
Auto Design ∙
400
Jason Zhang ∙
20x20=400 THANKS!!
400 (20x20) square inches is 2.78 square feet.
401
20x20
2x2x2x2x
1,000,000,000
20x20 = 400 2x4= 8 400/8= 50 needed
25p
20 ... 20x20=400
depends where u buy it?