They're all points on the x-axis.
They are all of the infinite number of points whose x-coordinate is zero.
Noncollinear points are points which are not all on a common line.
That is a sphere.
Intersection Ad Muncher
That's a sphere whose radius is the constant equal distance.
They are all of the infinite number of points whose x-coordinate is zero.
Noncollinear points are points which are not all on a common line.
The equator is the locus of all points on Earth whose latitude is zero. The locus of all points on Earth whose longitude is zero is the Prime Meridian.
sphere
They are all near an artery.
No, they only have the one common endpoint in common.
Possibly a circle
A circle or a sphere
sphere
All points whose y-coordinate is twice its x-coordinate.
Point common to two sides of an angle = vertex. Points common to two sides of a polygon, if they exist, are all the points along an edge.
all spheres