Assuming 9x9 is also in feet,
then answer is 81 square feet.
81
To turn a 9x9 square into an octagon you can cut corners off the square. It will not be a regular octagon though.
2178 square feet.2178 square feet.2178 square feet.2178 square feet.
3.472 square feet.
784 square feet
90
81
Each tile covers 81 square inches. You have 1,296 square inches to cover. It will take 16 tiles to cover that area.
To turn a 9x9 square into an octagon you can cut corners off the square. It will not be a regular octagon though.
The answer depends on the units of measurement used for the numbers in the question: feet, metres, centimetres, miles, etc.
There are 2025 rectangles in a 9x9 grid.
141.75
how many square feet in 25 feet by 6 feet
10279 square feet.
2178 square feet.2178 square feet.2178 square feet.2178 square feet.
About 430.5 square feet. (430.556417 square feet)
How many square feet are in the world?