The shortest side of a triangle is opposite the smallest angle. Image caption, All three sides of an equilateral triangle are the same length. The word equilateral means equal lines. Each angle is ...
You may hear students say words like ‘paralyzed’ triangle for isosceles and equilateral triangles after noticing the restrictive movements of these triangles upon dragging. Properties of symmetry: - ...
The ancient Greek mathematician Euclid proved in his Elements of Geometry that there are only five Platonic solids – the regular tetrahedron (four sides that are equilateral triangles), the cube (six ...