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What type of segment from a point to a line or plane is the shortest segment from the point to the line or plane?
A ray
What is a plane line segment?
A line segment is a piece of a line with endpoints at both ends. This can exist on a coordinate plane, which is a pointed selection at an origin.
Given two points A and B in the three dimensional space what is the set of points equidistant from A and B?
A plane is the set of all points in 3-D space equidistant from two points, A and B. If it will help to see it, the set of all points in a plane that are equidistant from points A and B in the plane will be a line. Extend that thinking off the plane and you'll have another plane perpendicular to the original plane, the one with A and B in it. And the question specified that A and B were in 3-D space. Another way to look at is to look at a line segment between A and B. Find the midpoint of that line segment, and then draw a plane perpendicular to the line segment, specifying that that plane also includes the midpoint of the line segment AB. Same thing. The set of all points that make up that plane will be equidistant from A and B. At the risk of running it into the ground, given a line segment AB, if the line segment is bisected by a plane perpendicular to the line segment, it (the plane) will contain the set of all points equidistant from A and B.
What geometric object occupy one dimension Line Plane Ray Triangle Segment Point?
Line, Ray and segment
What segmant line or plane that intersect a segment at its midpoint?
It is a bisector.
