内接于三角形的平行四边形把三角形分成几部分面积,各面积之间存在一个重要的结论。现将这个结论的证明及其利用该结论的解题策略例举说明如下,供大家参考。 Parallel to the triangle connected to the triangle is divided into several parts of the area, there is an important conclusion between the various areas. The proof of this conclusion and its use of the conclusion of the problem-solving strategies are illustrated below, for your reference.