Angle Relationships Assignment Additional Practice

• 60°
• 120°
• 90°
• 180°

• 100°
• 80°
• 90°
• 180°

What are complementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect.

What are supplementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect

What are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

Is it possible to find the complement angle of 103°? If so, what is it? 

• Yes, the complement angle is 77°
• Not possible. 
• Yes, the compliment angle is 83°
• Yes, the complement angle is 13°

What is the supplement angle to 42°?

• 48°
• 138°
• 100°
• Not possible

Which phrase is incorrect?

• Complementary angles have to be adjacent.
• Supplementary angles equal 180°.
• Complementary angles can make a right triangle. 
• Complementary angles add up to be half of 180°.

What is the supplement angle to 45°?

• 45°
• 180°
• 135°
• 100°

What is the complement angle to 12°?

• 78°
• 68°
• 168°
• 90°