# What Kind of Quadrilateral is This? (Part 1)

- Author:
- Tim Brzezinski

- Topic:
- Angles

**There are four activities (parts) to this discovery investigation. This is part 1/4. The link to this lesson activity can be found above the GeoGebra task applet (see below.)**

**What Kind of Quadrilateral is This? (Part 1) The link for part 2/4 of this lesson activity can be found below the applet.**

## Use this Applet for PART 1.

Link to Part 2:

**What Kind of Quadrilateral is This? (Part 2)**## New Resources

## Discover Resources

Download our apps here: