The most important Khufu triple was the virtual triangle in the soaring elevations of the Grand Gallery with a vertical height of sr280 x 1 cubit as the hypotenuse, 15 cubits as the perpendicular height and sr55 x 1 cubit as the short side of the triangle in the plane of the roof.
Flick over the triangle and it defines the sloping floor of the Grand Gallery with a vertical rise of sr55 x 1 cubit for a run 15 cubits.
This is a scale model of the pyramid's equal area circle to a scale of 1/sr280.
The virtual circle has a diameter of 280 cubits and an equal area square with a side length of sr61,600 x 1 cubit.
The area of the pyramid triangle is 1/2 x 440 x 280 = 61,600 square royal cubits.
The scale model squares itself, exactly so, as calculated from the pi approximation 22/7.
Project twice the diameter of the circle onto the sloping floor of the Grand Gallery as sr280 x 2 cubits and the vertical rise is equal to sr55 x 2 cubits as the side length of the equal area square.
sr280 (scale model) x sr55 x 2 cubits (vertical rise) = sr61,600 x 1 cubit
where sr61,600 x 1 cubit is the side length of a square equal to the triangular cross-section of the pyramid on the both the north-south and east-west axis.
This area is exactly equal to a circle with a diameter of 280 cubits as the height of the pyramid, as calculated from the pi approximation 22/7.
22/7 x 280/2 cubits x 280/2 cubits = 61,600 square cubits
A 1/10 scale model of the pyramid triangle has an area of 616 square cubits.
This is represented by a virtual triangle with a length of 88 cubits as the slope length of the gallery and a short side of 14 cubits as the distance between the axis of the gallery at the top of the slope and the the pole of the pyramid.
1/2 x 88 cubits x 14 cubits = 616 square cubits.
The hypotenuse of the virtual triangle is the distance from the foot of the gallery to the pole of the pyramid in the plane of the floor of the gallery.
The length of the virtual hypotenuse is equal to the real length of the roof of the gallery.
Mark