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This animation demonstrates several types of prisms, from general to regular.
This animation demonstrates the components (vertices, edges, diagonals and faces) of the...
A regular square pyramid is a right pyramid with a square base and four triangular faces.
Entertaining and spectacular animation to practise orientation in space.
Axis t and line segment AB are given on a plane. Let’s plot the mirror image of line segment AB...
Let’s construct the perpendicular bisector of a 6-cm-long line segment.
In this experiment we prove that the volume of a cylinder is three times the volume of a cone.
Build 3D shapes from unit cubes with the help of several views.