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.
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
* Draw a rectangle. Label the shorter sides 12' and the longer sides 15'. This is your room. You need 12 + 12 + 15 +15 = 54 feet. Or to multiply, you need 122 + 152 = 54 feet. In reality, you will need a few extra feet to cut the mitered edges. This amount will depend on the thickness of the molding.