11之3三角形面積等於內切圓半徑與三角形周長乘積之半

What do you want to download?

You can either download the .ggb file alone or the complete webpage for students with tasks.

I agree to the terms of GeoGebra's non-commercial license

• Offline Activity (.zip)

• GeoGebra Files

  1. Applet 1 (.ggb)