Entry Nº 009Stage 1 · Grades 1–2图形与几何
线段
直的、有两个端点,可以量出长度。
This page has no English version yet — the original Chinese text is shown below.
Definition
拉直的线,取两点之间的一段,就是线段:直、有两个端点、长度确定。两点之间所有连线中,线段最短。
Where it comes from · where it goes
Prerequisites
What builds on it