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Geometry

Formula for the height of a tetrahedron

Height of a Tetrahedron – Formula and Examples

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

Categories Geometry
Platonic solids

Elements of the Platonic Solids

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

Categories Geometry
Platonic solids

The 5 Platonic Solids – Properties, Diagrams and Examples

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

Categories Geometry
orthocenter of a triangle

Circumcenter, Orthocenter, Incenter, and Centroid

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

Categories Geometry
find the centroid graphically

How to find the centroid of a triangle? – Step by step

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

Categories Geometry
find the incenter of a triangle graphically

How to find the incenter of a triangle? – Step by step

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

Categories Geometry
diagram to draw the orthocenter of a triangle

How to find the orthocenter of a triangle? – Step by step

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

Categories Geometry
find the circumcenter graphically

How to find the circumcenter of a triangle? – Step by step

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

Categories Geometry
circular cross sections of a sphere

Cross-Sections of a Sphere

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

Categories Geometry
cross section of a rectangular prism

All the Cross-Sections of a Rectangular Prism

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

Categories Geometry
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