# Calculation of the circumcircle at the triangle

The following interactive smartphone app shows how the perimeter of a triangle is calculated geometrically.

The vertices of the triangle can be moved interactively.

Start App

The app has been specifically designed for mobile phones and tablets. The layout of the app can adapt to different display formats. The app can also be played on a normal PC or Macintosh.

Title: | Calculation of the circumcircle at the triangle |

Target group: | Students |

Level: | easy |

Platforms (primary): | Smartphones, tablets and PCs |

Online/Offline: | Internet connection is required. |

## Further animations for smartphones / tablets

Calculation of the inner circle at the triangle

Calculation of the center of gravity of a triangle

Geometric relationships at the quadrangle

Basic principles of differential and integral calculus

## Advanced animations for PCs

Geometric relations on the triangle

Basic principles of differential and integral calculus

Pythagorean theorem

Sine and cosine theorem

Basis of the integral calculus

## Sources

- Authoring tool: Adobe Animate
- JavaScript library: CreateJS

## Support us

## Feedback

Is there a mistake? Do you want to make an improvement? Please let us know. We would also be pleased to receive suggestions for improvement on text and / or translation.

* Not obligatory