Angles and Angle Relationships Flashcard

Front

Classify the triangle with two equal sides and an obtuse angle.

Back

Isosceles, Obtuse

Front

What is the measure of an angle that is less than 90 degrees?

Back

Acute angle

Front

What is the measure of an angle that is exactly 90 degrees?

Back

Right angle

Front

What do you call an angle that is more than 90 degrees but less than 180 degrees?

Back

Obtuse angle

Front

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

Back

Vertical angles

Front

What is the term for angles that add up to 180 degrees?

Back

Supplementary angles

Front

What is the term for angles that are on the same side of the transversal and in corresponding positions?

Back

Corresponding angles

Front

What is the term for the angle formed outside a triangle when one side is extended?

Back

Exterior angle

Front

What type of triangle has all sides of equal length?

Back

Equilateral triangle

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse triangle