To draw a straight line at right angles to a given straight line from a given point on it.
Father of geometry
To draw a straight line at right angles to a given straight line from a given point on it.
Father of geometry
Proposition 11, Book I of 'Elements' (a problem statement)
c. 300 BCE
Found in 1 providers: grok
Cross Reference
1 source
"Rectilineal figures are those which are contained by straight lines..."
Shocking"An obtuse angle is an angle greater than a right angle."
Strange & Unusual"Let it be granted that a circle may be described with any center and any radius."
Strange & Unusual"A boundary is that which is an extremity of anything."
Strange & Unusual"A ratio is a sort of relation in respect of size between two magnitudes of the same kind."
Strange & UnusualPremium quality, printed on demand. Ships worldwide.
Don't see what you're looking for? Email us for custom products