22. The radius of a circle is a right line o n,drawn from the centre to the circumference. Obs.—^The word radius is frequently used in Geometry,though it does not occur in the Elements of Euclid. … 23. The diameter of a circle is a right line a bpassing through the centre o, and terminatedby the circumference.
Design · Decoration and ornament · Art
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
