Assertion: semicircle | /r/HasProperty | curve
Facets:
Source sentences:
text: Now that we criticized the scientists' definition of Pi , we should offer our own, unencumbered, strict, literal, and unambiguous definition of Pi : Semicircle is a curve that has the unit distance of 1 from a point that that lies on a line.
text: First find the arc length of the semicircle (the curved edge of the circle).