Three colours that are equidistant from each other on the colour wheel

Tangrams are a set of puzzle originated in which country

Which from among the following colors is considered as an unemotional detached color?

Name the given line in three different ways.

Points $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$ are collinear. Can you draw another line passing through $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}?$

In the figure given below, name four collinear points.