1 square = 100 square feet = 9.29 square metersSo a house of 20 squares would be 2000 square feet or 185.8 square meters.
20 x 20 = 400 square feet.
400 square feet.
Do you mean a real square with the side length of 20 feet? Then 20 feet times 20 feet is 400 square feet.
400 square feet
A=lw A=20*80 A=1600 feet2
22.3 square meters.
2.78 square feet.
560 ft2
Multiply width by length to get the area. The answer would be 1600 square feet.
20 x 19 = 380 square feet.
12 x 20 = 240 square feet.