Semi-circle. (2D) Hemi-sphere (3D)
radius
It would be call the ARC.
EquidistantIt's called the center or origin of the circle. All points on a circle are equidistant from the center
a trapezoid is the only quadrilateral that has exactly 1 pair f parallel sides.
Cdm
latitude
The ones going from north to south are LONGITUED the ones from east to west are LATITUDE
parallel lines
parallel lines
Latitude
Parallel lines.
parallels or lines of latitude
polygon or as we call it a trapezium
Meridians - or lines of longitude.
Parallel lines are equidistant apart and never meet
Parallel lines