Equilateral triangle. An equilateral triangle is a triangle where all sides are equal and where all angles are equal. Since we know that the angle sum of a triangle is 180 degrees, ...

The reason the shape changes from 3D to 2D when you get to six triangles has to do with the number of degrees in an equilateral triangle. There are 60 degrees at each vertex of the triangle, so ...

"The triangle in the northwest Valley was probably Luke Air Force Base Auxiliary Field 1. That is part of an old airfield that is now used for instrument training by F-16 pilots. There was another ...

Discover the different types of triangles and find out the difference between an equilateral, scalene, isosceles and right-angled triangle in this KS2 guide.