9' x 9' = 81 square feet.
If the area is 81 square feet what is the perimeter?
The answer is: 486/6 = 81 and the square root of 81 is 9 feet which is the length of each edge.
9 ft square means a square of 9ft sides. The area will be 81 square feet
Perimeter is 36 feet.
Each square yard contains 9 square feet. This gives you 729 square feet.
9 sq yards = 81 sq feet
Nine square yards equals 81 square feet.
9' x 9' (81 square feet) = 9 square yards.
3 feet to a yard, 81 feet would be 27 yards.
1 sq yard = 9 sq feet so 9 sq yards = 81 sq feet.
One square yard equals 9 square feet, so 9 sq. yds. would equal 81 sq. ft.
81 feet (1 yard/3 feet) = 27 yards -----------------
There are 3 feet in one yard. Therefore, 81 feet is equal to 81/3 = 27 yards.
Three cubic yards is 81 cubic feet.
27 yards = 81 feet
One cubic yard covers 81 square feet 4 inches thick.