Triangle. app for iPhone and iPad

4.6 ( 5616 ratings )

Entertainment Education
Developer: Ying-Chou Sun

Free

Current version: 2.3, last update: 7 years ago
First release : 21 Aug 2015
App size: 2.91 Mb

A simple math app that helps students learn about the four types of triangle centers. Observe the four centers as you change the shape of the triangle.

●How to use●
- Drag the vertices of the triangle to change its shape.
- Turn on the switches and the four centers will appear on the screen.
- Watch how the centers move around each other as you drag !
- Double tap the screen with two fingers to show / hide options.