Sasnil 6. What is a union of two non-collinear rays with a common end a. ray b. sides 1997 blue @angle 7. Which of the following angles measures exactly 90°? a. acute b. right c. obtuse 8. What is the common endpoint of the two non-collinear rays roig a. vertex anillsb: sides s C. ray 5 9. If the hour hand of a clock is at 6 and the minute hand of a c minute hand and the hour hand of the clock? a. acute in b. obtuse na c. right 10. Which of the following angles is NOT an obtuse angle? bis a. 91° b. 158° Sri c. 171° ° 11. It is your birthday, and you want the biggest slice of cake. W a. acute b. right ens c. obtuse 12. In which group are the angles arranged from smallest to gre a. acute, right, obtuse, straight c. acute, obtu b. straight, obtuse, right, acute d. right, obtus 13. If two acute angles are added to each other, what is the res a. acute b. right c. obtuse