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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?
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What is a line segment?
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What is the midpoint of a line segment?
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What does it mean to bisect something?
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What is a ray in geometry?
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What are opposite rays?
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What does it mean for points to be collinear?
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What does coplanar mean in geometry?
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What is the intersection of two lines?
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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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Description
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!