随笔分类 -  数学：Euclidea几何

Euclidea3.6 Construct a line passing through the midpoints of the trapezoid bases.
摘要：Construct a line passing through the midpoints of the trapezoid bases. 证明： 过点 $F$ 作 $h \parallel AB$ $\triangle BFI \sim \triangle BCD$、$\triangle AFH 阅读全文
posted @ 2022-12-22 08:43 Vegdie 阅读(71) 评论(0) 推荐(0)