Exploring Points, Lines, and Planes in Geometry

What is the definition of a point in geometry?

• It has one dimension and is represented by a line.

• It has no dimension and is represented by a dot.

• It has two dimensions and is represented by a plane.

• It has three dimensions and is represented by a space.

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How is a line represented in geometry?

• By a single point.

• By a line segment with two endpoints.

• By two arrowheads extending in both directions.

• By a plane with no thickness.

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What is a line segment?

• A line that extends infinitely in two directions.

• A part of a line that ends on both sides.

• A flat surface extending in all directions.

• A line that extends infinitely in one direction.

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How is a ray different from a line segment?

• A ray has no dimension, while a line segment has one dimension.

• A ray is a flat surface, while a line segment is a part of a line.

• A ray ends on both sides, while a line segment extends infinitely in one direction.

• A ray extends infinitely in one direction, while a line segment ends on both sides.

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What is the definition of a plane in geometry?

• A point with no dimension.

• A line that extends infinitely in one direction.

• A flat surface that extends infinitely in two dimensions.

• A space that includes all points, lines, and planes.

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What does it mean for points to be collinear?

• They lie on the same plane.

• They lie on the same line.

• They are in the same space.

• They are at the same point.

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CCSS.4.G.A.1

What is the intersection of two lines?

• A line segment.

• A point.

• A ray.

• A plane.

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How do two planes intersect in geometry?

• At a point.

• At a line.

• They do not intersect.

• At a plane.

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CCSS.4.G.A.1

What is the correct way to name a line using points?

• Using three points in a specific order.

• Using a single lowercase letter.

• Using two points in any order.

• Using one point.

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According to postulates, how many points are needed to define a line?

• Three points.

• One point.

• Two points.

• Four points.

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