Points Lines Planes Segments Flashcard

Front

What are collinear points?

Back

Collinear points are points that lie on the same straight line.

Front

Which choice shows 4 collinear points?

Back

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Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What is the definition of a plane?

Back

A plane is a flat, two-dimensional surface that extends infinitely in all directions.

Front

What does it mean for two lines to intersect?

Back

Two lines intersect if they cross each other at a point.

Front

What is the result when two planes intersect?

Back

When two planes intersect, they form a line.

Front

What is a perpendicular line?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

What is the difference between a point and a line?

Back

A point is a specific location with no size, while a line is a straight path that extends infinitely in both directions.

Front

How do you find the length of a line segment?

Back

The length of a line segment can be found using the distance formula or by measuring it directly.

Front

What is the notation for a line segment between points A and C?

Back

The notation is segment AC or line segment AC.