Thirty feet by thirty feet is ninety square feet (just multiply length by width).
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900 square feet. To calculate square feet simply multiply length by width - the result is the area in square feet.
Just multiply the two numbers together. You have 900 square feet.
To convert square feet to square meters, you would multiply by 0.0929. Therefore, an area of 30x30 feet is equal to 900 square feet. When converted to square meters, this area would be approximately 83.61 square meters (900 x 0.0929 = 83.61).
30 ft X 30 ft = 900 sq ft
To fin the area of a square or rectangle you use the equation LxW=A. 30x30=900 5x200=1000 Since 1000 is more than 900, a rectangle with the length of 5 feet and the width of 200 feet is bigger.