1
All lines of longitude pass through the Equator.
All lines of longitude meet at the poles; none pass through. No lines of latitude connect at or pass through either pole.
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64th Meridian west
12, 13, 14
there are 6 lines can pass through 4 noncollinear points.
1
Just one.
exactly one
There is only one possible line that can can through two different points, presuming there are no overlaps.
There is only one possible line that can can through two different points, presuming there are no overlaps.
It has 8. Each passes through the centre. Four pass through vertices, four pass through the mid-points of opposite sides. 4
There can be infinitely many lines: think of the longitudes through he North and South poles. However, there can be only one straight line.
Elevation contour lines.
It has 8. Each passes through the centre. Four pass through vertices, four pass through the mid-points of opposite sides
It has 8. Each passes through the centre. Four pass through vertices, four pass through the mid-points of opposite sides
An infinite number of lines can pass through a point.