Classify Angle Relationships

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

Which angle is a vertical angle to with \angle7 ?

What is the vertical angle to angle 4?

• Angle 2

• Angle 6

• Angle 8

• Angle 7

Find the measure of angle CBD.

Find the measure of angle CBD.

What is the measure of <DBC? (just type the number)

Find the value of b.

Answer explanation

Set up an equation.

-2b+60 = 3b + 45

Add 2b on both sides

60 = 5b + 45

Isolate the variable and solve the two-step equation for a.

Given the following two parallel lines cut by a transversal. Which pair of angles represents corresponding angles?

Given the following two parallel lines cut by a transversal. Which pair of angles represents alternate interior angles?