given the base circumference of the circular tent = 188.4 ft
therefore 2πr = 188.4 ft
=> 2 × 3.14 × r = 188.4 ft
=> 6.28 × r = 188.4 ft
=> r = 188.4/6.28
=> r = 30 ft
area of the floor = πr² (since it's circular
= 3.14 × 30 × 30
= 3.14 × 900
= 2826 ft²