1. Which of the following is true? a. ray AB b. ray CB c. ray CA d. ray AC 2. Which among the following is not true? a. point A b. line segment AB c. line AB d. ray AB 3.Which of the following measures of angles is an obtuse angle? a. 100° b. 85° c. 78° d. 200° 4.Listed below are measures of acute angles except one. a. 34° b. 91° c. 68° d. 20° 5.Which of the following measures of angles is not a reflex angle? a. 100° b. 185° c. 217° d. 326°