QUARTER 3 d 1. What is the sum of two angles if they are supplementary? 45 b. 90° c. 135° d. 180° of the following is the supplement of an angle a. 2. Which measuring 60°? a. 150° b. 120° c. 90° d. 60° 3. How many vertical angles are formed when two lines intersect? called a. 0 b. 1 c. 2 d. 3 4. A pair of angles that share a common side and vertex is ? a. Vertical Angles b. Complementary Angles d. Adjacent Angles 5. What kind of angles are formed by perpendicular lines? a. Acute Angles c. Obtuse Angles b. Right Angles d. Reflex Angles 6. Two angles measure (x + 10) and (3x). If they are the complement of each other, what is the value of x? 2. 15 b. 20 c. 25 d. 30 c. Supplementary Angles 7. When two parallel lines are cut by a transversal, how many pairs of alternate interior angles are formed? a. 1 b. 2 C. 3 d. 4​