Sam purchase 625 square feet of carpet for his bedroom, which is shaped as a square. What are the dimensions of his bedroom?

Each side of the bedroom has a length of 25 feet.
Each side of the bedroom has a length of 156.25 feet.
Each side of the bedroom has a length of 390,625 feet.
Each side of the bedroom has a length of 312.5 feet.

Question

Sam purchase 625 square feet of carpet for his bedroom, which is shaped as a square. What are the dimensions of his bedroom?

Each side of the bedroom has a length of 25 feet.
Each side of the bedroom has a length of 156.25 feet.
Each side of the bedroom has a length of 390,625 feet.
Each side of the bedroom has a length of 312.5 feet.

anonymous · Answer

This is very obvious, a square root is the number multiplied by itself. The formula for the area of a square is the same thing, the number multiplied by itself. B - D, are to large to even be close the the length of each side. The only logical answer is 25. 

25*25=625