Proof to edge lord that you can master any edge in any triangle construction.
Use as few moves as possible to calculate the missing edge (magenta).

How to play:

Select an edge: Touch and swipe over an edge (from one edge point to the other).
Select an angle: First select the two adjacent edges and then choose the inner or the outer angle. Selected angles/edges are indicated in yellow.
With two selected angles/edges you can perform a move by selecting one of the green choices below.

Color codes:

  • Light blue: known edges and angles
  • Black: unknown edges and angles
  • Yellow: Selected edges and angles
  • Magenta: the target to calculate

first puzzle

Created by Erik and Raphael during our first OER Gamejam: https://konomondo.at/en/oer-game-jam-2/