Angle Relationships in Geometry

Which of the following is true about alternate exterior angles when two parallel lines are cut by a transversal?

• They are equal.

• They are supplementary.

• They are complementary.

• They are consecutive.

In the diagram, which of the following statements are false?

• ∠1 and ∠4 are vertical angles

• ∠4 and ∠5 are alternate interior angles

• ∠1 and ∠8 are alternate interior angles

• ∠2 and ∠6 are corresponding angles

∠2 = ______°

(Type your answer as a number only)

Find the m<ABC and m<ACB

• m<ABC = 15^o , m<ACB = 55^o

• m<ABC = 75^o , m<ACB = 25^o

• m<ABC = 55^o , m<ACB = 110^o

• m<ABC = 15^o , m<ACB = 70^o

Which of the following angles can you add together to equal angle d? 

• Angle a and Angle b

• Angle b and Angle c

• Angle a and Angle c

• Angle a and Angle b and Angle c

Which of the following pairs of angles are supplementary when two parallel lines are cut by a transversal?

• Alternate exterior angles

• Corresponding angles

• Consecutive interior angles

• Vertical angles

If two parallel lines are cut by a transversal, which of the following pairs of angles are always supplementary?

• Alternate interior angles

• Corresponding angles

• Consecutive exterior angles

• Vertical angles

Solve for y.

• y = 20

• y = 120

• y = 60

• y = 10