ng the given Across: 1 An instrument to measure angle 3. The tip of a pencil is an example 4 Two points represent the beginning and end of a line 5. Angle measures less than 90° 6 No definite beginning and end 7 Angle measures exactly 180° 8 Two lines do not intersect 12 Figure that has a beginning but no en Down: 2. Two lines aoss each other at one point 9. The unit used to measure angle 10. Two lines that form 90° angles 11. Two rays that meet at a common point