What is approached measure of a pavilion of 300 meter square ?

Question

the same pavilion can be just one store .

Answer 1

1 meter width and 300 m length
2 meter width and 150 m length
3 meter width and 100 m length
......
if it is supposed to be square it would be roughly 17,32 m each side.

1 square meter is a sqaure with a sidelength of 1 meter