A triangle is a polygon. It is a closed 3-sided shape made up of straight lines. The ‘tri-’ part of the word triangle means three. A triangle has 3 sides and 3 angles. Interior angles are the angles ...

Named for Plato, who theorized that the classical elements were made of these regular polyhedrons, three of the Platonic solids are composed of equilateral triangles: the tetrahedron, octahedron, and ...

If you take a moment to look around, you will find that our environment is a montage of geometric shapes. They are the building blocks of the world around us and are more important than we realize as ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. What is a triangle? We all know that a triangle is a three-sided shape — 1, 2, 3 sides. A triangle also ...

Do you ever find yourself mesmerized when looking at a satellite map online? It can be addicting, and interesting to view an area from the sky. Sometimes you find something that you would never see ...