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一、运用两点间的距离公式平面上的两点P1(x1,y1)、P2(x2,y2)之间的距离勾|P1P2|=(x1-x2)2+(y1-y2)2.这是解析几何内容
First, the distance between the two points using the formula The two points on the plane P1 (x1, y1), P2 (x2, y2) the distance between the hook | P1P2 | = (x1-x2) 2+ (y1-y2) 2. This is analytic geometry content