求空间距离(点到平面距离、直线与与之 平行的平面间的距离、两平行平面间的距离、 点到空间直线的距离,两异面直线间的距离) 的问题是立体几何中常见的一种题型,其解题 步骤一般是:一作、二证、三计算.解这种题型 的困难之处在于要作出该距离,是否存在一种 不需作出该距离的既简单又通用的解法呢? The problem of finding the spatial distance (point-to-plane distance, distance between a straight line and a plane parallel to it, the distance between two parallel planes, the distance from point to space straight line, distance between two different straight lines) is common in solid geometry A problem type, the problem solving step is generally: one for the second certificate, three calculations. The difficulty in solving this type of problem is to make the distance, whether there is a need to make the distance is simple and universal What is the solution?