# Parallelogram Construction

The purpose of today's activity is to construct a parallelogram in Geogebra that retains its properties after manipulation.

What are the most important properties of parallelograms?

Use the applet below to create a parallelogram.

Manipulate the construction below. Is the shape a true parallelogram or just pretending?

Is the shape above always a paralellogram?

What are the most important properties of rectangles?

Use the applet below to create a rectangle.

Manipulate the construction below. Is the shape a true rectangle or just pretending?

Is the shape above always a rectangle?

Use the applet below to create a rhombus. (Hint: A rhombus is a parallelogram whose 4 sides are all equal length.