To find total area of a room, you multiply the room's dimensions. So if you have a room that is 4 meters by 5 meters, you would multiply the two to find total square meters. Which in this case would be 20 square meters.
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The area of a rectangular room is calculated by multiplying its length by its width. In this case, a room that is 4m by 5m would have an area of 20 square meters (4m x 5m = 20 sqm). This means that the total floor space of the room is 20 square meters.
5*4=20 20 square meters.
The area of rectangle is : 20.0
5*4*3 60?
Rectangles are really simple. The perimeter is twice the length plus twice the width (in this case 4m x 2 = 8m, 5m x 2 = 10m, and 8m + 10m = 18m). The area is simply the length times the width (in this case, 4m x 5m = 20m2).
Area = 5*3 = 15 square metres