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I’m very confused on what is defined and undefined could you please help me?

I’m very confused on what is defined and undefined could you please help me?-example-1
User Mohannd
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Answer:

Angle → Defined

Ray → Defined

Segment → Defined

Point → Undefined

Triangle → Defined

Line → Undefined

Plane → Undefined

Explanation:

In geometry, the following terms are defined:

  • Angle: An angle is formed by two rays with a common endpoint. The common endpoint is called the vertex of the angle.
  • Ray: A ray is a part of a line that has one endpoint and extends infinitely in the other direction.
  • Segment: A segment is a part of a line that has two endpoints.
  • Triangle: A triangle is a polygon with three sides and three angles. three sides and three angles.


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The following terms are undefined:

  • Point: A point is a location in space that has no size.
  • Line: A line is a one-dimensional figure that has no thickness and extends infinitely in both directions.
  • Plane: A plane is a two-dimensional figure that has no thickness and extends infinitely in all directions.
User Dgangsta
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