The area of rectangle is : 432.0
18ft is equal to 6 yards so a square of 6yds x 6yds would have an area of 36 square yards.
There are exactly 32 square yards in 16ft X 18ft
66 square yards 18ft x 11 ft = 198 square feet 198 ft / 3 (feet per yard) = 66 square yards
If the diameter is 18 ft then the radius is 9 ft = 3 yards. Then the area is pi*r2 = 28.27 sq yards.
18ft= how many yards
6 yards.
18 feet = 6 yards
24 sq yd 1 yd = 3 ft
56 feet.
18ft*20ft = 360 square feet
Area of rectangle = length x width Area_of_wall = 18ft x 8ft = 144 ft2
10' x 16' is not a square but a rectangle and the diagonal is square root of (10^2 + 16^2) = square root of (100 + 256) = square root of 356 which is 18.867 feet