The figure above consists of 25 squares,if the figure were f

The figure above consists of 25 squares,if the figure were foled along the dotted
diagonal to form a flat triangle,后面省略
我的问题是什么是“ dotted” diagonal
什么事“flat” triangle
aniyu123 1年前 已收到1个回答 举报

平生风絮 幼苗

共回答了13个问题采纳率:84.6% 举报

dotted diagonal:虚线画出的对角线
flat” triangle:平面三角形

1年前

3
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