To inscribe a regular hexagon in a given circle.
Father of geometry
Proposition 15, Book IV of 'Elements' (a problem statement)
c. 300 BCE
Found in 1 providers: grok
Cross Reference
1 source
"In any triangle, if one of the sides be produced, the exterior angle is equal to the two interior and opposite angles, and the three interior angles of the triangle are equal to two right angles."
Strange & Unusual"If a straight line touch a circle, and from the point of contact there be drawn across in the circle a straight line cutting the circle, the angles which it makes with the tangent will be equal to the…"
Strange & Unusual"The properties of figures are derived from their definitions and postulates."
Strange & Unusual"That all right angles are equal to one another."
Shocking"Let it be granted that all right angles are equal to one another."
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