App Icon "Triangles" calculates from the given lengths and angles of any triangle the undefined lengths and angles. Just enter three known parameters, including at least one length. the results are displayed numerically and graphically. A list shows how the "law of cosines", the "law of sines" and the angular sum leads to the solution.

Get "Triangles" for Android on google play.
Android app on Google Play QR jetriangle
Or download the APK: Download V0.2.