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Geometry Flashcards
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Geometry Flashcards

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Questions and Answers

What is a point in geometry?

A location with no size; represented by a dot.

What is the definition of a line in geometry?

A straight path that extends infinitely in both directions with no thickness.

What is a plane in geometry?

A flat, two-dimensional surface that extends infinitely.

What are endpoints in a line segment?

<p>The points located at the ends of a line segment.</p> Signup and view all the answers

What is a line segment?

<p>A part of a line bounded by two distinct endpoints.</p> Signup and view all the answers

What is the midpoint of a line segment?

<p>The point that is equidistant from both endpoints.</p> Signup and view all the answers

What does it mean to bisect something?

<p>To divide something into two equal parts.</p> Signup and view all the answers

What is a ray in geometry?

<p>A line with one endpoint that extends infinitely in one direction.</p> Signup and view all the answers

What are opposite rays?

<p>Two rays that have the same endpoint and extend in opposite directions.</p> Signup and view all the answers

What does it mean for points to be collinear?

<p>Three or more points that lie on a single straight line.</p> Signup and view all the answers

What does coplanar mean in geometry?

<p>Three or more points that lie in the same plane.</p> Signup and view all the answers

What is the intersection of two lines?

<p>The point where two lines meet or cross.</p> Signup and view all the answers

Study Notes

Key Geometry Concepts

  • Point: A geometric location with no size—no width, length, or depth—represented by a dot.
  • Line: A straight, one-dimensional figure extending infinitely in both directions; lacks thickness. A segment of a line that has endpoints is called a "Line Segment."
  • Plane: A flat, two-dimensional surface that extends infinitely; it represents the next dimension beyond points and lines.
  • Endpoint: The distinct points located at either end of a line segment, defining its extent.
  • Segment: A part of a line bounded by two endpoints, containing all points between them. Types include closed, open, and half-open segments.
  • Midpoint: The central point of a line segment, equidistant from both endpoints, effectively bisecting the segment.
  • Bisect: To divide something into two equal parts, applicable to line segments, angles, and shapes.
  • Ray: A line that begins at an endpoint and extends infinitely in one direction, analogous to sunlight.
  • Opposite Rays: Two rays that share the same endpoint but extend in opposite directions, exemplifying a dual path from a single origin.
  • Collinear Points: Three or more points that lie on the same straight line; any two points are always collinear.
  • Coplanar Points: Three or more points located on the same two-dimensional plane, often visualized as part of a flat surface.
  • Intersection: The point where two lines cross or meet, defined as the common point of intersection between them.

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Test your knowledge of basic geometry concepts with these flashcards. Each card defines essential terms like 'Point' and 'Line,' providing a clear understanding of their properties. Perfect for quick review or study sessions!

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