40 x 90 = 3600 square feet. No exponents are necessary.
162/3 sq yards
You multiply the two dimensions to get square feet. That would be 154 square feet.
10,800 square feet.
A square yard is 3 feet by 3 feet, 9 square feet in total. Therefore 2 square yards is equal to 18 square feet.
10ft. By 10ft.-100 square feet
The area of a room 40ft by 40ft = 1,600 square feet.
10 feet x 10 feet = 100 square feet.
The diagonal is 14.142 feet.
6ft by 10ft = 60 square feet
Approximately 127.32 square feet.
The AREA of a circle that has a radius of 40ft is 5026.54825 square feet
125 square feet
The area is the product of (Length) times (Width)6ft by 10ft = (6 x 10) = 60 square feet.
20 feet x 10 feet = 200 square feet
12,000 square feet. Multiply length by width - the result is the area in square feet.
8*10 = 80 square feet.