Let it be granted that all right angles are equal to one another.
Father of geometry
Found in 2 providers: grok,gemini
Cross Reference
2 sources
"To construct an equilateral triangle on a given finite straight line."
Strange & Unusual"Of trilateral figures, an equilateral triangle is that which has its three sides equal, an isosceles triangle that which has two of its sides alone equal, and a scalene triangle that which has its thr…"
Strange & Unusual"And when the lines containing the angle are straight, the angle is called rectilineal."
Shocking"Let it be granted that a straight line may be drawn from any one point to any other point."
Strange & Unusual"A ratio is a sort of relation in respect of size between two magnitudes of the same kind."
Strange & Unusual