You should figure about 4 ft of space per person for a dance floor. This means that a 9x9 floor will be fine for about 20 dancers. Keep in mind that if your event has 100 people, you will find that the maximum amount of dancers at one time will be about half of that (for weddings, etc. - more for school dances and such).
Hope this helps!
the ansewr is 54
There are 2025 rectangles in a 9x9 grid.
Assuming 9x9 is also in feet, then answer is 81 square feet.
I'm gonna have to go with 9x9.
9x9=81
6,670,903,752,021,072,936,960
81
9x9 = 81.
90
What’s 9x9 10’timss
11x8 - 9x9 = 7
9x9 27x3 81x1