Volume of a tetrahedron

To calculate the volume of a tetrahedron we start by calculating...

Ratio of volumes of similar solids

This 3D scene explains the correlation between the ratio of...

Dice

Regular dice can be used for solving statistical and probability...

Junction

Entertaining and spectacular animation to practise orientation in...

Cube of cubes

An exercise about the regular hexahedron built from unit cubes to...

Cube (exercises)

Edges, diagonals and faces of a cube can be identified by its...

Ames room

An Ames room is a distorted room that is used to create an optical...

The reflection and refraction of light

A ray of light is reflected or refracted at the boundary of two...

Constructing shapes (3D)

Building 3D shapes into a given cube mesh with the help of several...

Non-orientable surfaces

The Möbius strip and the Klein bottle are special two-dimensional...

Dividing Space into Regions by 3 Planes

Division of space by three intersecting planes in several...

Conic sections

The conic section is a plane curve that is created when a right...

Cuboid

A cuboid is a polyhedron with six rectangular faces.

What is the time?

A game to practise the use of analogue and digital clocks.

Angle of inclination of lines and planes

This animation demonstrates the angle of inclination of lines and...

Simple harmonic motion and uniform circular motion

Simple harmonic motion can be considered to be the one-dimensional...

Shadows

Change of light conditions in different seasons. Measuring height...

Conic solids

This animation demonstrates various types of cones and pyramids.

Solids of revolution (exercise)

An exercise about the generation of solids of revolution.

Euler's polyhedron formula

The theorem formulated by Leonhard Euler describes one of the...

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