Plane figures can be found everywhere in our everyday life. In this GeoGebra Book some of these plane figures are presented.[br]You will learn about the properties of the figures: triangle, parallelogram, rhombus and many more. [br]Additionally you will learn about their area formulas and how to deduce them using GeoGebra Worksheets. You will of course also find exercise materials in this GeoGebra Book.[br][br]This Book gives you the opportunity to better understand and apply the mathematical background.[br][br]Have fun :)[br]