Across
- 4. two angles that add up to 90 degrees (aka a right angle)
- 5. how angles are measured
- 7. when two lines are crossed by another line (aka transversal)
- 9. angle inside a shape
Down
- 1. a pair of angles on the opposite sides of a line
- 2. always adds up to 180 degrees
- 3. two angles that add up to 180 degrees
- 6. angles opposite each other when two lines cross
- 8. two angles that have a common side and a common vertex yet don't overlap