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What is the closed path called where the start and the end point are the same?
A Maze
How do you reflect a shape in a point?
Let's call the point of reflection O. Take any point on the shape. Draw a line from that point to O and extend it beyond O for the same length (so that O is the midpoint of this line). The far end of the line is the image of the original point. Repeat for every point and you have the reflection of the original shape. In actual fact, if the shape is a polygon, then you only need to reflect the vertices and join up their images. Well defined curves will form the same shape and it should not be too difficult to reproduce their reflection. However, with a random wriggly curve you have no choice but to map each point.
A point at an end of a segment or a starting point of a ray?
end point
What is a location in space that has no size or shape called?
A(n) point is described as a location in space , and it has no size or shape.
Are two segments with the same length congruent?
When applied to two line segments, they are said to be congruent if they are both exactly the same length, but they need not be parallel to each other (they can also bisect each other). Thickness does not matter as lines have no thickness (thickness only applies to shapes). However, it should be noted that rays and lines are not congruent as their lengths are infinite. Rays have no defined end point while lines have neither a start nor an end point defined. Line segments always have both a start and an end point defined.
