Angle Relationship Test

The measures of the angles of a triangle are shown. Find the value of x.

• x = 31

• x = 36

• x = 41

• x = 25

In the diagram shown, a side of the triangle is extended to form an exterior angle that measures 146^o. What is the value of x?

• x = 34

• x = 69

• x = 103

• x = 111

In the diagram below, a side of the triangle is extended to form an exterior angle that measures 145^o. Determine the value of x.

• x = 10

• x = 35

• x = 65

• x = 100

In the diagram, two parallel lines are cut by a transversal. What is one pair of alternate interior angles?

• angle 1 and angle 8

• angle 3 and angle 5

• angle 3 and angle 6

• angle 1 and angle 7

In the diagram shown, lines m and l are parallel and line n is a transversal. Determine which of the following pairs are vertical angles.

• angle 2 and angle 3

• angle 6 and angle 8

• angle 4 and angle 8

• angle 7 and angle 8

In the diagram, two parallel lines, l and m, are cut by a transversal. Find the value of x.

• x = 53

• x = 17

• x = 127

• x = 5.75

In the diagram, two parallel lines are cut by a transversal. Find the value of x.

• x = 20

• x = 70

• x = 110

• x = 180

Two parallel lines, l and m, are cut by a transversal. Determine the value of x.

• x = 12

• x = -0.4

• x = 5.57142...

• x = 16.8