Assertion: regular polygon's line | /r/HasProperty | c o
Facets:
Source sentences:
text: "Draw the radius A B, bisect it in C—with an opening of the compasses equal to half the radius, upon A and C as centres describe the arcs C D I and A D—with the distance I D upon I describe the arc D O and draw the line C O, which will be the extent of one side of an endecagon sufficiently exact for practice.