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Questions and Answers
What is a line?
What defines a segment?
Two end points and all the points in between them
What is a plane?
A flat figure with no thickness that extends indefinitely in all directions
What is a ray?
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What is an acute angle?
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What is a vertex in geometry?
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What is a midpoint?
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What is an obtuse angle?
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What are complementary angles?
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What are supplementary angles?
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What defines an angle?
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What does perpendicular mean?
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What are vertical angles?
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What is a straight angle?
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What does congruent mean in geometry?
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What does coplanar mean?
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What does collinear mean?
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What does adjacent mean?
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What defines a point in geometry?
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What are parallel lines?
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What is a bisector?
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What does intersecting mean?
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What is the origin in a coordinate plane?
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What is a coordinate plane?
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What is a quadrant?
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What is distance in geometry?
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What are skew lines?
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Study Notes
Geometry Vocabulary Study Notes

Line: A set of points collinear to two distinct points, extending infinitely in both directions.

Segment: Consists of two endpoints and all points in between, representing a finite portion of a line.

Plane: A flat, twodimensional figure with no thickness that extends indefinitely in all directions.

Ray: A line that has one endpoint (or point of origin) and extends infinitely in one direction.

Acute Angle: An angle measuring less than 90 degrees.

Vertex: The common point where two rays meet to form an angle.

Midpoint: The exact middle point of a line segment, equidistant from both endpoints.

Obtuse Angle: An angle that is greater than 90 degrees but less than 180 degrees.

Complementary Angles: Two angles whose measures add up to 90 degrees.

Supplementary Angles: Two angles whose measures add up to 180 degrees.

Angle: Formed by two noncollinear rays that share a common endpoint, known as the vertex.

Perpendicular Lines: Lines that intersect to form a right angle (90 degrees).

Vertical Angles: Two nonadjacent angles created when two lines intersect, having equal measures.

Straight Angle: An angle formed by opposite rays, measuring exactly 180 degrees.

Congruent: Geometric elements (angles, segments) that are of equal measure.

Coplanar Points: Points that lie within the same geometric plane.

Collinear Points: Points that lie on the same straight line.

Adjacent Angles: Two angles that share a common side and have no interior points in common.

Point: A precise location in a plane, typically represented by a dot; has no dimensions.

Parallel Lines: Coplanar lines that never intersect and remain equidistant from each other.

Bisector: A line that divides an angle or segment into two equal parts.

Intersecting Lines: Lines that meet or cross at a single point.

Origin: The point in the coordinate plane represented by (0,0).

Coordinate Plane: A twodimensional plane divided into four regions by a horizontal line (xaxis) and a vertical line (yaxis).

Quadrant: One of the four sections formed in the coordinate plane.

Distance: The length of the shortest path between two points, measurable in units.

Skew Lines: Lines that do not intersect and are not coplanar.
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Description
This quiz consists of flashcards covering essential vocabulary terms in geometry such as line, segment, plane, and ray. Each term includes a precise definition to help reinforce understanding of geometric concepts. Perfect for students looking to enhance their geometry skills!