segment or line segment both can be uaed
Strictly speaking, the only geometric item that has neither length nor width is a "point", but as such, it is not considered a "figure". A geometric figure is defined as a "set of points". I suppose a point could be thought of as a set containing only one element, but that rather contradicts the intention of the definition where it refers to points in the plural.As Euclid defined it: A figure is that which is contained by any boundary or boundaries.
pyramid
That's a circle.It is a circleThat's a circle.
A circle.
All points equidistant from a center point.
line segment
Trianglles are the geometric figure consisting of three points called vertices,connected by three sides........
YES!!! It is the shortest distance between two points.
A decagon perhaps
Yes
a figure
Math
Strictly speaking, the only geometric item that has neither length nor width is a "point", but as such, it is not considered a "figure". A geometric figure is defined as a "set of points". I suppose a point could be thought of as a set containing only one element, but that rather contradicts the intention of the definition where it refers to points in the plural.As Euclid defined it: A figure is that which is contained by any boundary or boundaries.
It could be a circle or a sphere
The metric of a geometric space is defined as the distance between two points.
A circle (2D) or a sphere (3D)
If your asking "What is ...?" Then, the answer is a circle. This is the definition of a circle!