I have 3 party tents at 10W × 30L how to many sq ft all together to make a square?

Question

I want to to put them in a square so  putting them in front but I want to to how big would it be once I put them together .I need that to get floor put under the party tents

Answer 1

Each tent is (10)(30) ft². That is 300 ft²

Three tents ad 3(300) ft². That is 900 ft²