This activity aims to provide knowledge and skills using GeoGebra software in learning, especially those related to geometry. The methods used in this activity are lectures, practice, training and discussions. The training participants were 18 students of the STKIP PGRI Lubuklinggau Mathematics Education Study Program. The instruments used as a form of evaluation of this training activity were test questions and student response questionnaires. Based on data analysis through the calculation of N-Gain between the pretest and posttest, it was obtained a value of 0.85 which indicates that the increase in the understanding of the training participants was in the high category and the results of the student response questionnaire showed a positive student response of 89.55% with the very good category.
                        
                        
                        
                        
                            
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