The answer is 20mm
An average of 6 feet. But you may wanna consider the height of the door's owner.
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do the length times the width and that equals the area
The perimeter of a door is the total distance around its outer edges. To calculate the perimeter of a door, you would measure the length of all four sides of the door and then add them together. For example, if a door is rectangular with a length of 80 inches and a width of 36 inches, the perimeter would be calculated as follows: 80 + 80 + 36 + 36 = 232 inches.
The standard north American house door is 80" high and in widths of 28, 30, 32, 34, 36".
Doors in the United States are 6'-8" or 80" tall.
To find the height of the door, we can use the formula for the area of a rectangle, which is length multiplied by breadth. Given that the area is 6 sq. m and the breadth is 1.5 m, we can rearrange the formula to solve for the length (height). So, length = Area / Breadth = 6 sq. m / 1.5 m = 4 m. Therefore, the height of the door is 4 meters.