Understanding Angles Quiz

What are vertical angles?

• Angles that are less than 90 degrees

• Angles that are opposite each other and congruent

• Angles that are adjacent to each other

• Angles that form a straight line

Which of the following is true about adjacent angles?

• They are always congruent

• They share a common vertex and side

• They overlap each other

• They are opposite angles

How can you name an angle?

• By its vertex only

• By its vertex and two points on its sides

• By its measure only

• By its color

What type of angle is less than 90 degrees?

• Right angle

• Straight angle

• Obtuse angle

• Acute angle

Which angle is exactly 90 degrees?

• Acute angle

• Straight angle

• Right angle

• Obtuse angle

What is the characteristic of a straight angle?

• It is exactly 180 degrees

• It is less than 90 degrees

• It is exactly 90 degrees

• It is more than 180 degrees

How can you identify vertical angles in a diagram?

• They share a common side

• They are adjacent to each other

• They are opposite each other and formed by intersecting lines

• They form a straight line

What is the relationship between adjacent angles?

• They share a common vertex and side

• They are opposite each other

• They form a right angle

• They are always equal

If two angles are vertical and one measures 130 degrees, what is the measure of the other angle?

• 90 degrees

• 50 degrees

• 130 degrees

• 180 degrees

How do you find the value of x if two adjacent angles form a straight line?

• Set their sum equal to 90 degrees

• Set their sum equal to 180 degrees

• Set their sum equal to 360 degrees

• Set their sum equal to 45 degrees