Geometry Vocabulary Flashcard

Front

What is a rigid transformation?

Back

A transformation that preserves the size and shape of a figure.

Front

What are alternate interior angles?

Back

Angles that are on opposite sides of the transversal and inside the two lines.

Front

What are adjacent angles?

Back

Angles that share a common side and a common vertex. Located next to each other.

Front

What are corresponding angles?

Back

Angles that are on the same side of the transversal and in corresponding positions.

Front

What does it mean for two figures to be congruent?

Back

They have the same shape and size.

Front

What is a transversal?

Back

A line that intersects two or more lines at different points.

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are always equal.

Front

What is the sum of the interior angles of a triangle?

Back

Front

What is a polygon?

Back

A closed figure formed by a finite number of straight line segments.

Front

What is a right angle?

Back