The following interactive smartphone app shows how the perimeter of a triangle is calculated using geometry.
The vertices of the triangle can be adjusted.
The app has been specifically designed for mobile phones and tablets. The layout of the app adopts to the format of the device. The app can also be used on a regular PC or Mac.
|Circumcircle of a triangle
|Full screen mode
Large screens supported
|Freeware (for non-commercial use)
- Authoring tool: Adobe Animate