Reply To: Pyramid of Giza Forums Main Page › Forums Main Page › Geometry › Triangles › Isosceles and Equilateral Triangles › Pyramid of Giza › Reply To: Pyramid of Giza December 13, 2013 at 9:01 pm #1766 SharmaKeymaster I explain this concept using the attached powerpoint lesson (isosceles and equilateral triangles) in slide 4. Attachments: 4.7-isos-equilateral.ppt
