1) What is the sum of three right angles? a) 90 degrees b) 180 degrees c) 270 degrees d) 360 degrees 2) If ∠X = 70 degrees and ∠Y is its complementary angle, what is the measure of ∠Y? a) 100 degrees b) 20 degrees c) 90 degrees 3) If ∠PQR = 130 degrees, what is the measure of its supplementary angle? a) 50 degrees b) 90 degrees c) 120 degrees 4) What is the difference between an angle of 100 degrees and its complementary angle a) 10 degrees b) 90 degrees c) 70 degrees 5) If ∠MNO = 45 degrees and ∠NOP = 45 degrees, what type of angles are ∠MNO and ∠NOP? a) Complementary b) Supplementary 6) The sum of two angles is 90 degrees. What can be said about these angles? a) They are complementary. b) They are Supplementary 7) If ∠XYZ = 75 degrees and ∠ABC = 105 degrees, what is the sum of ∠XYZ and ∠ABC? a) 210 degrees b) 100 degrees 8) What is the measure of an angle that is supplementary to a 120-degree angle? a) 30 degrees b) 60 degrees 9) If ∠A = 40 degrees and ∠B is its complementary angle, what is the measure of ∠B? a) 10 degrees b) 50 degrees 10) What is the sum of the angles in a triangle a) 180 degrees b) 360 degrees 11) If ∠DEF = 120 degrees, what is the measure of its supplementary angle? a) 30 degrees b) 60 degrees 12) If ∠P = 30 degrees and ∠Q = 60 degrees, what is the measure of ∠P - ∠Q? a) -30 degrees b) 30 degrees 13) If ∠X and ∠Y are supplementary angles, and ∠X = 120 degrees, what is the measure of ∠Y? a) 30 degrees b) 60 degrees 14) If ∠MNO = 90 degrees, what is the measure of its complementary angle? a) 0 degrees b) 90 degrees 15) What is the sum of angles in a quadrilateral? a) 180 degrees b) 360 degrees

Recap of Add and Subtract Angles, and Understand Complementary and Supplementary Angles(2)

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