intro to geometry vocab

Front

What are Vertical Angles?

Back

Two angles that are opposite of each other and congruent.

Front

What is an angle with a measure between 0 and 90 degrees called?

Back

Acute angle.

Front

What is a point in geometry?

Back

A location in space with no size or dimension.

Front

What is a ray?

Back

A part of a line that starts at a point and extends infinitely in one direction.

Front

What are Perpendicular Lines?

Back

Lines that intersect at a right angle (90 degrees).

Front

What is a line segment?

Back

A part of a line that has two endpoints.

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

What is an obtuse angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a circle?

Back

A round shape where all points are equidistant from the center.

Front

What is a line in geometry?

Back

A straight path that extends infinitely in both directions.