Today we explored the properties of the diagonals in multiple types of quadrilaterals.
There is an online app. that can help you explore diagonal properties.
App. 1: http://illuminations.nctm.org/Activity.aspx?id=3578
App. 2: http://illuminations.nctm.org/Activity.aspx?id=4099
We can use the accompanying sheet to help structure our use of these apps. Below this is a summary sheet with all of the properties.