Using the TANGENTS & DISTANCE OR LENGTH Tools: GeoGebra Beginner Exercise 12
У вашего броузера проблема в совместимости с HTML5
Screencast illustrates how to use the TANGENTS and DISTANCE OR LENGTH tools in GeoGebra. Here, we illustrate the discovery of 2 circle theorems involving tangents. Try it yourself here: https://www.geogebra.org/m/xbU3naRt