Understanding Angles and Their Types

What are the three main types of angles?

• Straight, Reflex, Complementary

• Vertical, Adjacent, Supplementary

• Acute, Right, Obtuse

• Linear, Circular, Diagonal

What is a right angle?

• A right angle is an angle that measures 90 degrees.

• An angle that measures 60 degrees.

• An angle that measures 180 degrees.

• An angle that measures 45 degrees.

Define an acute angle.

• An angle that measures exactly 45 degrees.

• An angle less than 90 degrees.

• An angle equal to 90 degrees.

• An angle greater than 180 degrees.

What is an obtuse angle?

• An obtuse angle is less than 90 degrees.

• An obtuse angle is exactly 90 degrees.

• An obtuse angle is an angle greater than 90 degrees and less than 180 degrees.

• An obtuse angle is greater than 180 degrees.

How do you identify complementary angles?

• Two angles that add up to 90 degrees.

• Two angles that are adjacent to each other.

• Two angles that are equal in measure.

• Two angles that add up to 180 degrees.

What is the sum of two complementary angles?

• 180 degrees

• 90 degrees

• 45 degrees

• 60 degrees

Define supplementary angles.

• Supplementary angles are two angles that are equal in measure.

• Supplementary angles are angles that are adjacent to each other.

• Supplementary angles are two angles that sum to 180 degrees.

• Supplementary angles are two angles that sum to 90 degrees.

What is the sum of two supplementary angles?

• 45 degrees

• 360 degrees

• 180 degrees

• 90 degrees

What angle measures exactly 90 degrees?

• Straight angle

• Right angle

• Acute angle

• Obtuse angle

What angle measures less than 90 degrees?

• Obtuse angle

• Right angle

• Straight angle

• Acute angle