4*15 = 60 feet, probably.
630 ft2
25 square yards in a 15' x 15' room.
225 square feet
A room that is 15 feet by 15 feet has an area of 225 square feet (15 x 15 = 225).
225 square feet.
As that's 180 square feet, it will cost $90.
To calculate the square footage of a room, you multiply its length by its width. For a room that is 15 feet by 26 feet, the square footage is 15 x 26 = 390 square feet.
15 (square meters) = 161.458656 square feet.
16' x 15' = 240 square feet.
225 square ft.
20 square yards
The area of square is : 225.0