Which of the following are vertical angles?   A. ∠1 and ∠2 B. ∠1 and ∠4 C. ∠2 and ∠4 D. ∠2 and ∠3

Which of the following is a measure of an obtuse angle? A. 35° B. 65° C. 90° D. 160°

Given the figures below, what can you conclude about the two angles? A. They are congruent. B. They form a linear pair. C. They form vertical angles. D. They are perpendicular to each other.

Which of the following describes the parallel lines?    A. intersect to form a right angle B. meet at a common point C. lines that do not meet D. lines that meet to form complementary angles

If m∠MAT = 35° and m∠HAE = 55°, then which of the following could describe the two angles? A. complementary angles B. vertical angles C. supplementary angles D. forms an acute angle

∠YVA and ∠AVN are complementary angles. If m∠YVA = 75°, then what is the measure of m∠AVN? A. 285° B. 105° C. 15° D. 5°

All of the following are measures of an acute angle EXCEPT: A. 90° B. 85° C. 78° D. 5°

Which of the following angles has measure greater than 90° but lesser than 180°? A. acute angle B. obtuse angle C. right angle D. straight angle

If two angles form a linear pair, then they are supplementary. What is the sum of the measures of these two angles? A. 180° B. 90° C. 50° D. 45°

If an angle measures 90°, what kind of angle does it form? A. acute angle B. obtuse angle C. right angle D. straight angle

Which of the following forms a linear pair?  A. ∠1 and ∠2 B. ∠1 and ∠3 C. ∠3 and ∠4 D. None of these.

Which of the following pairs of angles whose sum of the measures is equal to 180°? A. complementary angles B. acute angles C. obtuse angles D. supplementary angles