Perimeter, area, surface area and volume
This animation presents the formulas to calculate the perimeter and area of shapes as well as the surface area and volume of solids.
This animation demonstrates geometric rotation, a type of geometric transformation both...
Colouring the vertices, edges and faces of a given cube according to the criteria...
Not all nets consisting of 6 congruent squares are foldable into cubes.
Learn how to specify a location in a playful manner!
Axis t and a circle with centre O and radius r are given on a particular plane. Let’s plot the...
Let’s construct the perpendicular bisector of a 6-cm-long line segment.
The Császár polyhedron is a nonconvex polyhedron with 14 triangular faces.
This animation demonstrates various groups of solids through examples.