The study investigated the statistical analysis of GeoGebra 3D software as a mode of teaching geometrical construction in post COVID 19. The study, adopted quasi experimental research design. A sample of 70 senior secondary year 11 students made up of 25 male students and 45 female students were selected out of 5,480 SS11 students through multistage sampling. Two research questions and two hypotheses guided the study. The instruments for data collection, The Geometry Achievement Test (GAT) and Geometry Interest Inventory (GII) were validated by two lecturers from departments of Mathematics and Measurement and evaluation, Nnamdi Azikiwe University Awka. The reliability index was established using, Kuder Richardson Formula 20 (K-R 20) for the GAT which yielded reliability coefficient of 0.80 and the GII yielded 0.79 reliability index using Cronbach Alpha. The result has provided empirical evidence that the use of GeoGebra enhances students’ interest and achievement in geometrical construction irrespective of gender. Based on the finding it was recommended that GeoGebra should be integrated in the curriculum for the teaching and learning of Geometry . Keynote: GeoGebra, Mathematics, Interest, Achievement, Gender