The key to measuring the size of special-shaped carpet is to determine a reference straight edge. The measurement methods of carpets of various shapes are introduced below by type:
1. Triangular carpet:
The condition of the triangle is: the length of the three sides.
2. Quadrilateral carpet:
The requirements of the quadrilateral are: 1. The length of the four sides. 2. The length of the two diagonals.
3. Polygonal carpet:
The required conditions for a polygon are: 1. The length of each side. 2. The straight line distance from the corner to the corner that can be connected (obstacles such as pillars are not counted), that is, the diagonal.
4. Arc and oval carpets that are perfectly round:
The necessary conditions for the arc of a perfect circle are: 1. Profound length. 2. Xuan Gao. 3. Arc length.
The required conditions for an ellipse are: 1. The long axis length. 2. Short axis length.
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