Ah, what a delightful question! To find the square footage of a room, you simply multiply the length by the width. In this case, a room that is 20 feet long and 13 feet wide would be 260 square feet of space for you to create your own little world of happy little trees and friendly little clouds.
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).
The area of a 12x10 room is 120 square feet.
The room has a total of 352 square feet (22 x 16 = 352).
A 10x13 room would have 130 square feet. This is calculated by multiplying the length (10 feet) by the width (13 feet) of the room to find the total square footage.
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.
There are 270 square feet in a 15'x18' room.