Geometry Basics Angles

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

An angle that measures less than 90°

• Acute
• Obtuse
• Right
• Straight

What is the measurement of a right angle?

• 70
• 80
• 90
• 180

The angle relationship shown is - 

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

Find the value of x.

• 18°
• 28°
• 38°
• 118°

Two angles added together to produce 90 degrees

• Supplementary
• Complementary
• Right
• Vertical

What kind of angles are these? (Choose all that apply)

• complementary

• supplementary

• right

• linear pair

These angles are...

• Complementary
• Supplementary
• Neither