Outline
Quadrilaterals
Properties of Special Quadrilaterals
![Quadrilaterals](https://www.geogebra.org/resource/U33ZuWwW/EFs5PxtEG6PaZqkK/material-U33ZuWwW-thumb.png)
Table of Contents
Scaffolded Discovery Templates
- Parallelograms (I)
- Parallelogram Template (Scaffolded Discovery)
- Quadrilateral With Opposite Angles Congruent
- Parallelogram Diagonals
- Rectangle Action!
- Rectangle Diagonals
- Rectangle Template (Scaffolded Investigation)
- Rhombus Action!
- Rhombus Diagonals
- Rhombus Template (Scaffolded Discovery)
- Square Action!
- Trapezoid Median (Midsegment) Action!
- Trapezoid Median: 2 Discoveries
- Isosceles Trapezoid Action!
- Isosceles Trapezoid Template (Scaffolded Discovery)
- Isosceles Trapezoid Diagonals
- Isosceles Trapezoid Midpoints
Quadrilaterals: Angles
Quadrilateral Theorems (Without Words)