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How much carpet area do you need for the stairs with a width of 3 meters, a length of 4 meters and a height of 2 meters?
(width+height) * length =? * How many stairs do you have?

(3+2)*4=20, the area you quoted needs 20 square meters, and the first order needs 20 square meters. There are several factorials that are good.

Because it is a staircase, it is best to put 3-5 cm in size.

Mr. Wuhan Shu Carpet will answer your questions.