Chapter 9 math vocab

Edit Answers
123456789101112
Across
  1. 3. When two angles are opposite formed by the intersection of two lines and have the same measurement.
  2. 4. When two angles share a common side and have the same vertex
  3. 7. The distance around a circle
  4. 10. Made up of triangles, squares, rectangles, semicircles, and other two-dimensional figures
  5. 12. One half of a circle
Down
  1. 1. When two angles have the sum of 180 degrees as the measurement
  2. 2. A greek letter that represents a number that goes on, shortened as 3.14
  3. 5. When two angles have the sum of 90 degrees as the measurement
  4. 6. The middle point on a plane
  5. 8. The distance from the center to any point on the circle
  6. 9. The distance across the circle through the center
  7. 11. The set of all points in a plane that are the same distance from the center