Chapter 3 Triangles & Angles Test Review

Select all pairs of alternate exterior angles

Answer explanation

Alternate exterior angles are pairs of angles that are on the opposite sides of the transversal and outside the two lines. The correct pairs are angle 1 and angle 7, and angle 6 and undefined.

In the figure, d, e and f are parallel lines. What is the value of x?

• 60

• 30

• 120

• 150

Answer explanation

In the given figure, d, e, and f are parallel lines. According to the properties of parallel lines, the alternate interior angles are congruent. Therefore, the value of x is 150 degrees, which corresponds to the correct answer choice.

Select all the statements that are true about triangle JKL and triangle LMN.

• They have only one pair of congruent angles.

• They have three pairs of congruent angles.

Select all of the equations that could be used to find the value of x.