Chap. 9 - Geometric Figures

What is the measure of an obtuse angle?

• Greater than 90°, less than 180°

• Less than 90°

• Exactly 90°

• Exactly 180°

What is the measure of a right angle?

• Less than 90°

• Greater than 90°

• Exactly 180°

• Exactly 90°

What is the measure of a straight angle?

• Exactly 0°

• Less than 90°

• Exactly 90°

• Exactly 180°

What is the measure of a zero angle?

• Exactly 180°

• Greater than 90°

• Exactly 90°

• Exactly 0°

Which of the following pairs of angles are vertical angles in the given diagram?

• Angles 1 and 2

• Angles 2 and 3

• Angles 1 and 3

• Angles 3 and 4

Which of the following angles are adjacent to angle 1 in the given diagram?

• Angles 2, 3, and 4

• Angles 2, 3, and 5

• Angles 3, 4, and 5

• Angles 4, 5, and 6

Which of the following pairs of angles are vertical angles in the given diagram?

• Angles 5 and 6

• Angles 5 and 9

• Angles 7 and 8

• Angles 8 and 10

Which of the following angles are adjacent to angle 7 in the given diagram?

• Angles 5, 6, and 7

• Angles 6, 8, and 9

• Angles 6, 8, and 10

• Angles 9, 10, and 5

If the measure of angle ABC is 128° and angle ABC is formed by two lines intersecting at point B, creating angles with measures of 80° and (4x)°, what is the value of x?

• A) 12

• B) 48

• C) 24

• D) 36

Given that angle WXY is 170° and it is formed by two lines intersecting at point X, creating angles with measures of (9x)° and 53°, what is the value of x?

• A) 13

• B) 15

• C) 20

• D) 17