Identifying Angles

Front

What is an angle that measures exactly 90 degrees?

Back

Right angle

Front

What type of angle is formed when the two rays point in exactly opposite directions?

Back

Straight angle

Front

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

Back

Acute 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 equal in measure?

Back

Congruent angles

Front

What type of angle is formed by two rays that meet at a point and create a measure of 180 degrees?

Back

Straight angle

Front

What is the name of an angle that measures exactly 0 degrees?

Back

Zero angle

Front

What do you call two angles that add up to 90 degrees?

Back

Complementary angles

Front

What do you call two angles that add up to 180 degrees?

Back

Supplementary angles

Front

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

Back

Vertical angles