angles and angle relationships

What type of angle is shown?

• acute
• obtuse
• right 
• straight

What type of angle is shown?

• acute
• obtuse
• right
• straight

What type of angle is shown?

• acute
• obtuse
• right
• straight

What type of angle is shown?

• acute
• obtuse
• right
• straight

The angle relationship shown is -

• complementary angles
• supplementary angles
• vertical angles
• angle bisector

∠1 and ∠3 can best be described as -

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

∠AOB and ∠COB can best be described as - 

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

The angle relationship shown is - 

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

If m∠1 = 30°, then m∠3 = 

• 30°
• 60°
• 150°
• undetermined

Find the value of x.

• 18°
• 28°
• 38°
• 118°