PRE-TEST Directions: Read the questions carefully. Encircle the letter of the correct answer. 1.) Two angles in the same plane which have a common vertex and a common side but do not have interior points in common are called a.) Supplementary angles c) Adjacent angles b.) Congruent angles d.) Vertical angles 2.) If two angles are both congruent and supplementary, then each is a right angle? a.) always true b.) sometimes true c.) never true d.) cannot be determ 3.) Which of the following conditions would satisfy that the two angles form a linear pair? Condition 1: They are adjacent angles Condition 2: They are supplementary Condition 3: Their uncommon sides are opposite rays a.) 1 only b.) 1 and 3 c.) 1, 2 and 3 d.) 1 and 2 Which of the following statements is not always true about supplementary angles? locis 180
