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Q.

What is the difference between a line, a line segment, and a ray?

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Detailed Solution

The main difference is: a line extends infinitely in both directions, a line segment has two fixed endpoints, and a ray starts at one point and extends infinitely in one direction.

Definitions

  • Line: A straight path that extends endlessly in both directions with no endpoints.
  • Line Segment: A part of a line that has two fixed endpoints.
  • Ray: A part of a line that has one endpoint and extends infinitely in one direction.

Visual Representation

If you draw:

  • A line: ↔
  • A line segment: ——
  • A ray: →
FeatureLineLine SegmentRay
LengthInfiniteFixedInfinite in one direction
EndpointsNoneTwo endpointsOne endpoint
ExampleHorizonRuler edgeSun rays

Real-Life Examples

  • Line: The horizon in the sky appears endless.
  • Line Segment: The edge of a book or table.
  • Ray: A flashlight beam or sunlight.
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What is the difference between a line, a line segment, and a ray?