What have you discovered?

Here is a tricky question:

What is the angle sum of a polygon with 100 sides?

Create a short electronic presentation that answers this question. Explain what you learnt from this resource and how it helps you to answer this question.

For example, you could use Adobe Captivate to record screen capture of the activities you explored in the previous section. Or you could use another program of your choice and include screenshots. You should include audio or text that explains what you have learnt.