What do I have to do?

Hi eTwinners, are you ready to start?

Here I give you an example of what we are going to do together!

1) Example of a Geogebra animation useful to understand a maths concept.
It deals with complementary angles.

Complementary angles

 2) Example of a short tutorial about how I used Geogebra to obtain the animation above.

Very soon, you will do it!