Euclid — "Sire, there is no royal road to geometry."
Sire, there is no royal road to geometry.
Sire, there is no royal road to geometry.
Click any product to generate a realistic preview (~30s). Up to 3 at a time.
"Similar triangles are to one another in the duplicate ratio of their corresponding sides."
"And the greater is a multiple of the less when it is measured by the less."
"If four magnitudes be proportional, the rectangle contained by the extremes is equal to the rectangle contained by the means."
"To construct an equilateral triangle on a given finite straight line."
"Rectilineal figures are those which are contained by straight lines..."
Your cart is empty