GeoGebra Workbook 1 Drawings Vs. Geometric （GeoGebra工作簿1图纸与几何）.pdf

GeoGebra Workbook 1 GeoGebra Workbook 1 Drawings Vs. Geometric Constructions Paddy Johnson and Tim Brophy www.ul.ie/cemtl/ Table of Contents 1. Basic Use of GeoGebra 2 2. Basic Drawings in GeoGebra 3 3. Drawing Vs Construction 4 4. Rectangle Construction 4 5. Equilateral Triangle Construction 5 6. The Properties Dialog 7 7. Challenge: Isosceles Triangle Construction 7 Regional Centre for Excellence in Mathematics Teaching and Learning GeoGebra Workbook 1 1 - Basic Use of GeoGebra How to operate GeoGebra’s geometry tools \ Activate a tool by clicking on the button showing the corresponding icon. \ Open a toolbox by clicking on the lower part of a button and select another tool from this toolbox. Hint: You don’t have to open the toolbox every time you want to select a tool. If the icon of the desired tool is already shown on the button it can be activated directly. Hint: Toolboxes contain similar tools or tools that generate the same type of new object. \ Check the toolbar help in order to find out which tool is currently activated and how to operate it. How to save and open GeoGebra files Saving GeoGebra files \ Open the File menu and select Save. \ Select the folder you wish to save your file in. \ Type in a name for your GeoGebra file. \ Click Save in order to finish this process. Hint: A file with the extension ‘.ggb’ is created. This extension