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等腰三角形是一种特殊的三角形，除一般三角形具有的性质外，还有以下特殊性质：1，相等的角：两底角相等。2相等的线段：①两腰相等；②两腰上的高相等；③两腰上的中线相等；④两底角平分线相等；⑤底边中．点到两腰距离相等；⑥等腰三角形底边的高上任意一点到两腰的距离相?
An isosceles triangle is a special kind of triangle. In addition to the nature of a general triangle, it has the following special properties: 1. Equal angle: The two bottom angles are equal. 2 equal line segments: 1 two waists equal; 2 two waists high equal; 3 two waists on the middle line equal; 4 two base angles bisect the same line; 5 bottom edge. Point to the two waist distance equal; 6 Isosceles triangle at the bottom of the height of any point to two waist distance?