Safiulina, Elena2021-06-282021-06-282021-06-28https://dspace.tktk.ee/handle/20.500.12863/3596Explore the cross-sections of a cone using geogebra (VirStem project).enAutorile viitamine + Mitteäriline eesmärk + Jagamine samadel tingimustel 4.0 RahvusvahelineTTK Subject Categories::Mathematics, Sciences, and Graphics::Engineering GraphicsKõik erialadinteraktiivne harjutus