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5 votes
Which pair of underlined terms is used to define a rap?

A) line and plane
B) plane and line segment
C) point and line segment
D) point and line

1 Answer

5 votes

Final answer:

A ray is defined as starting at a point and extending infinitely in one direction along a line, so the correct answer is D) point and line.

Step-by-step explanation:

The question asks which pair of underlined terms is used to define a ray. Let's first clarify what each of the geometrical terms means:

  • A point indicates an exact location in space and has no size, area, length, or any other dimension.
  • A line is a straight one-dimensional figure that has no thickness and extends infinitely in both directions.
  • A line segment is a part of a line that is bounded by two distinct end points.
  • A plane is a flat, two-dimensional surface that extends infinitely in all directions.

A ray is defined by two of these terms: it starts at one point (called the endpoint) and extends infinitely in one direction along a line. Therefore, the correct answer is D) point and line.

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