1.1 & 1.2 Flashcard REVIEW Points, Lines, Planes, Segments

Front

What is a line?

Back

A line is a straight one-dimensional figure that extends infinitely in both directions and has no endpoints.

Front

Define a point.

Back

A point is a precise location or position in space, represented by a dot and has no size or dimension.

Front

What is a plane?

Back

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

Front

What are collinear points?

Back

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

Front

What are non-collinear points?

Back

Non-collinear points are points that do not lie on the same straight line.

Front

What is a line segment?

Back

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

Front

How do you name a line segment?

Back

A line segment can be named by its two endpoints, for example, segment AB.

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Front

What is the notation for a line?

Back

A line is usually denoted by two points on the line with a line symbol over them, e.g., line AB.

Front

If RT = 36 and S is between R and T, how do you find the length of RS if ST = 32?

Back

RS = RT - ST = 36 - 32 = 4.