Geometry

The regular tetrahedron is one of the five Platonic solids. We can think of a tetrahedron as a regular triangular ... Read more

The most important elements of the Platonic solids are the faces, the vertices and the edges. In addition, we also ... Read more

Platonic solids are three-dimensional figures, in which all their faces are congruent regular polygons. In total, there are five Platonic ... Read more

The circumcenter, the orthocenter, the incenter, and the centroid are points that represent the intersections of different internal segments of ... Read more

The centroid of a triangle can be found using an algebraic method or using a graphical method. To find the ... Read more

The incenter of a triangle can be found by sketching the angle bisectors of the triangle and finding their point ... Read more

The orthocenter of a triangle can be found using two main methods. We can sketch the heights of the triangle ... Read more

The circumcenter of a triangle can be found using five different methods. Three methods consist in using different algebraic and ... Read more

The cross-sections of a sphere are two-dimensional figures formed by the intersection of a plane with a sphere. Since the ... Read more

The cross-sections of a rectangular prism are the two-dimensional figures that are obtained when we cut a prism with a ... Read more