Assertion: semicircle | /r/AtLocation | first and second quadrants
Facets:
Source sentences:
text: A semicircle of radius "a" is in the first and second quadrants, with the center of curvature at the origin.
text: A semicircle of radius a is in the first and second quadrants, with the center of curvature at the origin.
text: A semicircle of radius a is in the first and second quadrants, with the center of curvature at the origin.