euclid's fourth axiom

1. 1.

   all right angles are equal

   BroaderEuclid's axiom

Questions about euclid's fourth axiom

What does euclid's fourth axiom mean?

euclid's fourth axiom means "all right angles are equal".

Is euclid's fourth axiom a common word?

euclid's fourth axiom is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.