BBC

Types of triangle

A triangle is a polygon. It is a closed 3-sided shape made up of straight lines. The ‘tri-’ part of the word triangle means three. A triangle has 3 sides and 3 angles. Interior angles are the angles ...
BBC

2d shapes

Find out about regular 2D shapes and irregular polygons. Types of triangle Find out about scalene, equilateral, isosceles and right-angled triangles. Parts of a circle Discover the features of a ...
GitHub

README.ja.md

互換性 RichはLinux、OSX、Windowsに対応しています。True colorと絵文字は新しい Windows ターミナルで動作しますが、古いターミナルでは8色に制限されています。Richを使用するにはPythonのバージョンは3.6.3以降が必要です。