Across
- 4. a pair of adjacent angles with noncommon sides that are opposite rays
- 6. two angles with measures that have a sum of 180 degrees
- 8. 90 degree angle
- 9. two nonadjacent angles formed by two intersecting lines
Down
- 1. Bigger than a 90 degree angle
- 2. two angles with measures that have a sum of 90 degrees
- 3. Two angles that lie in the same plane and have a common vertex and side
- 5. Half of a 90 degree angle
- 7. lines, segments, or rays that form right angles