1) If two angles form a linear pair, then they are supplementary. What is the sum of the measures of these two angles?   a) 800 b) 900 c) 500 d) 450 2) On the given figure, ∠YVA and ∠AVN are complementary angles. If m∠YVA = 25, then what is the measure of m∠RLA? a) 2850 b) 1050 c) 150 d) 50 3) Which of the following pairs of angles whose sum of the measures is equal to 1800? a) complementary angles b) acute angles c) obtuse angles d) supplementary angles 4) If an angle measures 900 , what kind of angle does it form? a) acute angle b) obtuse angle c) right angle d) straight angle 5) Given the figure, 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. 6) Which of the following are vertical angles? a) ∠1 and ∠2 b) ∠1 and ∠4 c) ∠2 and ∠4 d) ∠2 and ∠3 7) Which of the following forms a linear pair? a) ∠1 and ∠2 b) ∠1 and ∠3 c) ∠3 and ∠4 d) None of these. 8) An angle has a supplement that measures 790. What is the measure of the angle? a) 1010 b) 1000 c) 990 d) 110 9) If two angles are congruent and the sum of their measures is equal to 1000, what is the measure of each angle? a) Both of them have measures equal to 500. b) They measure 600 and 400. c) Both of them have measures equal to 1000. d) They measure 350 and 650. 10) How many angles are adjacent to angle 1? a) 0 b) 1  c) 2 d) 4

ADJACENT ANGLES, CONGRUENT ANGLES, VERTICAL ANGLES, AND LINEAR PAIR.

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