Mystery Quadrilaterals

Author:Tenchita Alzaga Elizondo, Kathryn Shafer

Each quadrilateral has a unique name. Do not make the blue shape into a concave polygon (do not cross the sides).

Name each quadrilateral.
List the properties.
Write a definition.

Suggestion: You may want to use the angle and side length measure tool to see if you find any properties related to the angles and side lengths of the quadrilaterals.

Source

Dynamic Quadrilaterals found in Exploring Geometry with The Geometer’s Sketchpad (Bennet, 2004).

1. Orange

Name the orange quadrilateral.
List its properties.
Write a definition.

2. Purple

Name the purple quadrilateral.
List its properties.
Write a definition.

3. Red

Name the red quadrilateral.
List its properties.
Write a definition.

4. Blue

Name the blue quadrilateral.
List its properties.
Write a definition.

4. Grey

Name the grey quadrilateral.
List its properties.
Write a definition.

4. Green

Name the green quadrilateral.
List its properties.
Write a definition.

4. Magenta

Name the magenta quadrilateral.
List its properties.
Write a definition.