12' x 10' = 120 square feet
120 square feet.
to get the square footage just multiple length times width. So 10 x 12 = 120 square feet.
10*10 = 100 square feet
110 square feet
To calculate the square footage, multiply the length by the breadth. So, 10 feet x 8 feet = 80 square feet
10*5 = 50 sq feet
About 201.06 ft2
3.14 x the radius (from the center of the room to the edge) = the square footage
length x width ( example: a room that is 10 feet by 10 feet is 100 square feet)
The square footage of the room is determined by the floor dimensions. So if you have a 12 x 20 room the square footage is 240 square feet.
You need to know the height of the room to get its cubic footage then multiply length x breadth x height. Eg if the room was 7' tall: 10 x 10 x 7 = 700 cubic feet. To get the square footage (surface area) multiply breadth by height eg 10' x 10' = 100 square feet.