Geometry Vocab Flashcard(1-6)

Front

What is the term for two lines that intersect at a 90° angle?

Back

Perpendicular

Front

What is the definition of midpoint?

Back

If M is the midpoint of AB, then AM = MB

Front

A triangle with 1 obtuse angle is known as?

Back

Obtuse Triangle

Front

The angles along the base of an Isosceles Triangle are known as?

Back

Base Angles

Front

Exterior angles, non-adjacent, and on opposite sides of the transversal are called?

Back

Alternate Exterior Angles

Front

What is the term for two lines that never intersect?

Back

Parallel

Front

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

Back

180°

Front

What do you call a triangle with all sides of different lengths?

Back

Scalene Triangle

Front

What is the term for angles that are opposite each other when two lines cross?

Back

Vertical Angles

Front

What is the definition of a right triangle?

Back

A triangle that has one angle measuring 90°