Geometry A Final Exam

Front

What are parallel lines?

Back

Lines in a plane that never meet and are always the same distance apart.

Front

What are perpendicular lines?

Back

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

Front

What are intersecting lines?

Back

Lines that cross each other at one point.

Front

What is a ray?

Back

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

Front

What does it mean for triangles to be congruent?

Back

Two triangles are congruent if they have the same size and shape.

Front

What are alternate exterior angles?

Back

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

Front

What is a linear pair of angles?

Back

Two adjacent angles that form a straight line, summing to 180 degrees.

Front

What is the relationship between the slopes of two perpendicular lines?

Back

The slopes are negative reciprocals of each other.

Front

What is the sum of the angles in a triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.

Front

What is the Pythagorean theorem?

Back