40
The area of a room 40ft by 40ft = 1,600 square feet.
The AREA of a circle that has a radius of 40ft is 5026.54825 square feet
400
80 feet
That is approximately 3,200 cubic feet.
Approximately 127.32 square feet.
40 feet x 49 feet = 1960 square feet.
The diagonals of 60ft by 40ft are 72.11 feet.
12,000 square feet. Multiply length by width - the result is the area in square feet.
3 feet = 1 yard so 40 feet = 13 yards and 1 foot.
To get the area you multiply the length and the width. Doing the math gives an answer of 560 square feet.
40 x 22.5 = 900 square feet