To calculate the area of a room that is 13 feet by 20 feet, you multiply the length by the width. So, 13 feet × 20 feet equals 260 square feet. Therefore, the room is 260 square feet in size.
About 96.7 square feet.
A room whose dimensions is 14 feet by 15 feet is 210 square feet.
201.6 square feet.
200 square feet
352 square feet.
13 x 20 = 260 The area of the floor is 260 square feet. The area of the ceiling is also 260 square feet. The area of the walls can't be calculated without also knowing the height of the room.
400 square feet.
240 square feet
162 square feet.
525 square feet.
300 square feet.
252 square feet.
120 square feet.
16' x 15' = 240 square feet.
A simple rectangular room 20 feet by 18 feet has 360 square feet.
A 10x14 room has an area of 140 square feet (10 feet x 14 feet = 140 square feet).
There is 121 square feet in a 11'x11' room.