Identifying Types of Angles

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

What type of angle?

• Obtuse

• Acute

• Straight

• Right

What is the relationship between the angles shown?

• Vertical Angles
• Complementary
• Supplementary
• Adjacent

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

∠1 and ∠3 can best be described as - 

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

What kind of angles are shown?

• complementary
• supplementary
• adjacent
• corresponding

∠1 and ∠2 can best be described as - 

• complementary angles
• supplementary angles
• vertical angles

If an angle measures 180 degrees, what type of angle is it?

• Obtuse

• Acute

• Straight

• Right

An angle that is exactly 90 degrees.

• right
• acute
• obtuse
• straight

• Acute angle

• Right angle

• Obtuse angle

• Straight angle