8_T1-L1 Flashcard: Carnegie geometry lesson 1 terms

Front

What is a line in geometry?

Back

A straight, continuous arrangement of an infinite number of points, denoted with arrows on both ends.

Front

What does it mean for two lines to be congruent?

Back

Two lines are congruent if they have the same measure.

Front

What is a point in geometry?

Back

A location that has no size or shape, often represented by a dot and labeled with a capital letter.

Front

What tool is used to measure angles?

Back

Protractor.

Front

What tool is used to draw a straight line?

Back

Straight edge (ruler or protractor, etc.).

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is the difference between a line and a ray?

Back

A line extends infinitely in both directions, while a ray has one endpoint and extends infinitely in one direction.

Front

What does it mean for two shapes to be equal?

Back

Two shapes are equal if they have the same size and shape.

Front

What is the definition of a geometric angle?

Back

An angle is formed by two rays that share a common endpoint.

Front

What is the purpose of a compass in geometry?

Back

A compass is used to draw circles or arcs and to measure distances.